Answer:
a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape,2 (c) has not cleared the neighbourhood around its orbit, and (d) is not a satellite.
Answer:
planet that is smaller than a planet but larger than an asteroid, like the death star
Explanation:
When two objects are near each other, how would increasing ones objects mass affect it?
Answer:The gravitational force of the object would increase
Explanation:
Hope this helps
Answer: c, gravitational force will increase
Explanation:
Luis created a clay model of Earth. To show how Earth rotates, Luis wants to use a toothpick to represent Earth’s axis of rotation. Where should Luis place the toothpick?
Answer:
Vertically through the center of Earth, slightly to the side of each pole
Explanation:
Final answer:
Luis should place the toothpick through the North and South Poles of his clay model Earth at an angle to accurately show Earth's axis of rotation.
Explanation:
To represent Earth's axis of rotation using a toothpick on a clay model, Luis should place the toothpick through the model to connect the North and South Poles. Just like the real Earth, the axis of rotation runs from the North Pole to the South Pole. Luis should ensure that the toothpick is placed at a slight angle (approximately 23.5 degrees from the vertical), as this represents Earth's actual tilt relative to its orbit around the Sun. When Luis spins his model, this setup will mimic Earth's rotation from west to east.
2) The growth rate of the raccoon population in this scenario is exponential or sometimes referred to as the biotic potential. This is the maximum rate of growth without limitations that would otherwise impede growth. While small populations may grow at this rate initially, eventually it slows. What are three factors that could cause growth to slow?
Answer:
competition, predation, natural disasters
Explanation:
The three factors that have the ability to cause slow growth rate of populations include competition, predation, and natural disasters.
Competition is a process whereby organisms jostle to get the share of the same resources for their growth and reproduction. It could be inter or intra-specific competition depending on if it involves organisms of different species or the same species.
Competition for limited resources in the environment of organisms results in a harmful process where organisms that are poorly adapted lose out of the race and eventually die off the population. This slows down the population growth of organisms.
Predation is a nutritional relationship between organisms in which the predator kills and feed on the prey. The presence of predators in a population of organisms limits the population from reaching its biotic potential as members of the population are killed and eaten at intervals.
Natural disasters such as disease outbreak, storm, volcanic eruption, etc also act and hinder a population from reaching its biotic potential as each time they happen, they reduce the number of organisms in the population.
In the Virtual Lab, what are two observations you made about how changes in an ecosystem can impact populations?
Answer:
Changes in the environment can modify the amount of natural resources available for the populations to survive. Changes in the environment can separate a population and cause changes so intense that it prevents members of the population from establishing crossings.Explanation:
As we know, changes in the environment can be caused by the manipulation of human beings or even by natural processes and phenomena of nature. What matters is that these changes always provide an environmental impact that can be beneficial or harmful, but will always affect populations.
Environmental impacts can cause changes in the environment that will modify the amount of environmental resources (food, water, habitat) needed for the populations to survive. The reduction of these environmental resources can cause an increase in the mortality rate of populations.
In addition, environmental changes can separate a population and cause an evolution in each separate part to the point of generating new species and not allowing members of each species to establish crosses.
Answer:
Changes in the environment can modify the amount of natural resources available for the populations to survive.
Explanation:
Mites often attach themselves to flies, wasps, or beetles for free transportation. The flies, wasps, and beetles are not impacted. What type of relationship is this?
Answer:
It is Mutualism
Giant pandas use their thumbs to grip and eat bamboo. They spend most of their time eating and save energy by not moving much. They live near streams of fresh water and have no natural predators. They reproduce once every two years. This description is an example of
Answer:
Explanation:
For many years, scientists wondered whether pandas were a type of bear, raccoon or something all their own. But plenty of genetic studies have made it clear that pandas are a type of bear, according to the San Diego Zoo.
Also called great pandas, parti-colored bears, bamboo bears and white bears, giant pandas are distinguished from other pandas by their large size and black-and-white coloring. Their bold coloring provides camouflage — giant pandas are nearly invisible in dense patches of bamboo, according to the Smithsonian National Zoo.
Giant pandas grow to be 27 to 32 inches (70 - 80 centimeters) tall at the shoulder, 4 to 5 feet (1.2 to 1.5 meters) long and can weigh up to 275 lbs. (125 kilograms), according to the San Diego Zoo Their size is about the same as an American black bear. By comparison, the giant panda's distant relative, the red panda, is only 20 to 26 inches (50 to 65 cm) tall and weighs 10 to 20 lbs. (4.5 to 9 kg).
In the wild, giant pandas are only found in the remote, mountainous regions of central China, in Sichuan, Shaanxi and Gansu provinces, according to the National Zoo. In this area, between 5,000 and 10,000 feet elevation (1,524 - 3,048 m), are the cool, wet bamboo forests that giant panda's call home. The large bears make their dens from hollowed-out logs or stumps of conifer trees found within the forest.
Answer:
This is an example of a K-selected species.
Explanation:
K-selected species are characterized by being more intelligent in comparison to their counterpart - r-selected species - saving more energy (being energy efficient), having a weaker sex drive (reproducing less) and the tendency to delay maturation.
A newspaper headline reads "Large Drainage of the Everglades Planned" . What would be the negative impact of this plan on South Florida?
A. new land for agriculture
B. rationing of the water supply
C. elimination of pests such as mosquitoes
D. more room for development of real estate
Answer:
Option A, new land for agriculture
Explanation:
Everglades system was carved by nature to hold water. It lies at the conflux point of two large drainage ridge a) western inland ridge and b) Eastern coastal ridge and hence comprises of a broad shallow valley sloping. The purpose of draining Everglades in Florida was to empty a swampland covering a huge area of 4,000 square miles by digging canals in order to create farmland. The water for this farmland can be drawn by the plantation or it will be extracted and allowed to flow into the ocean.
Hence, option A is correct
Which best explains how the body maintains homeostasis
Answer:
A . All systems work together to stabilize the body.
Explanation:
correct on edg .
A 20 – year old man who has cystic fibrosis has a sister who is planning to have a child. The man encourages his sister to see a genetic counselor. What do you think the man’s reasons are for giving such advice?
Answer:
Man encourages his sister to see a genetic counselor in order to find out that she has the genetic disease or not.
Explanation:
Cystic fibrosis is genetic disease that can transfer from parents to their offspring. This is a very dangerous disease which decrease the life span of patient and the patient die in early stages of life. The man with Cystic fibrosis disease encourage his sister to go to the genetic counselor to find out the presence of disease in her blood because she is planning a baby and we know that this is a hereditary disease so if she has this disease it will transfer to her child.
Final answer:
The man with cystic fibrosis advises his sister to see a genetic counselor to assess the risk of her potential child inheriting the disease, as cystic fibrosis is recessively inherited and genetic counseling can provide valuable risk assessment and information for family planning.
Explanation:
The 20-year-old man with cystic fibrosis is likely suggesting genetic counseling to his sister because cystic fibrosis is a recessively inherited genetic disorder. This means that while he expresses the condition, his sister could be a carrier of the cystic fibrosis gene mutation without showing symptoms. If she and her partner are both carriers, there is a chance their child could inherit the disorder. A genetic counselor can help assess this risk by evaluating family history and possibly conducting genetic tests. This would enable his sister to make informed decisions about family planning and prepare for any necessary medical interventions or lifestyle adjustments should the child be at risk for cystic fibrosis.
Which feature of chytrids makes them different from the other types of fungi?
the material that strengthens their cell walls
the special digestive material they release
their use of budding to reproduce
their ability to live in dry environments
PLZ HELP!!! 30 PTZ!!
Answer:
A
Explanation:
pls help biology
it seem hard to me
Answer:
there are more particles at the surface than deeper depths
Explanation:
what is the relationship between animals and plants that process similar nitrients
Answer:
Both plant and animal cells absorb nutrients and convert those nutrients into usable energy. Animal cells absorb nutrients from food, while plant cells absorb energy from sunlight via a process called photosynthesis.
How is a junior penguin able to survive in the ocean?
someone now this question
Answer:
the penguins have a special care process since the hatching of the egg, the newborns receive care from their parents and have warmth from them placing themselves between their paws, the parents take turns caring for them and when the father is not with the chick, he goes in search of food, which he gives regurgitated, then the cris can go to a kindergarten where others of the same age are cared for by a herd of penguins, however his parents go to the sea and feed and continue to bring food to their son, this process it is kept until they change plumage and are ready to get their food on their own.
Final answer:
Junior penguins are able to survive in the ocean due to adaptations such as blubber for insulation, waterproof feathers, and the ability to store and use oxygen efficiently.
Explanation:
Junior penguins are able to survive in the ocean due to several adaptations and behaviors. Firstly, penguins have a layer of body fat called blubber, which helps to keep them warm in cold water. This fat also helps them to float and conserve energy. Secondly, penguins have specialized feathers that are waterproof, allowing them to stay dry while swimming. These feathers trap air, providing insulation and buoyancy. Finally, penguins have evolved a unique way of storing and using oxygen. Unlike other birds, penguins can control how much oxygen they carry in their lungs when diving. They can store oxygen in their muscles and blood, allowing them to stay underwater for extended periods of time.
Ecosystem diversity, species diversity, and genetic diversity all intertwine to create _____________.
Biodiversity
Explanation:
Ecosystem diversity, species diversity, and genetic diversity all intertwine to create Biodiversity.
Hope this helps! :D
Answer:
biodiversity.
Explanation:
How is loess beneficial?
Answer: It grows healthy crops. It prevents wind erosion. It protects land from waves.
Explanation:
Answer:
The answer is A
Explanation:
it grows healthy crops
What are all of the genes making of an organism called
Si Se Sumerge En Un Vaso De Agua Una Piedra, Un Bolígrafo Y Un Tajalapiz. ¿Que Sucede?.
Answer:
Al introducir una piedra en agua, está se va al fondo del vaso, por que es más pesada que el agua
Al introducir un bolígrafo, este flota, por que es más liviano que el agua
Si se introduce en agua un tajalapiz se evidenciará un proceso de corrosión del metal
Debido a la reacción con el agua, sin embargo el efecto será más evidente si se agrega sal a la mezcla
Answer:
Si se sumerge en un vaso de agua una piedra, un bolígrafo y un tajalapiz , la piedra y el tajalápiz se hundirán, pero el bolígrafo probablemente flote, según cuán pesado sea.
Explanation:
Que algunos elementos se hundan o floten en el agua depende de la masa que tienen, es decir, de su peso. A través de este experimento es posible inferir cuáles de los elementos son más pesados, según el tiempo que tarden en llegar al fondo del vaso de agua.
Por otro lado, también es posible identificar la masa de cada uno de los objetos si se los sumerge a cada uno por separado.
En el caso del tajalápiz, también es posible analizar el fenómeno de la oxidación si el mismo es de metal. Colocando sal en el agua y viendo el fenómeno que ocurre al desprender burbujas.
the Blank immune system consists of cellular immunity and humoral immunity
Answer:
Adaptive Immune System
Explanation:
The adaptive immune response consists of cellular immunity and humoral immunity. They both involve specialized cells for fighting off bacteria and viruses which is what the adaptive immune system is responsible for.
Answer:
The adaptive
Explanation:
I took the test 2021 on odyssey-ware
2. When there is an imbalance in a body system, and the body cannot maintain homeostasis, how might other systems respond?
Answer:
Read the explanation
Explanation:
A very common type of imbalance in the human body that disrupts homeostasis is diabetes. In the body of a diabetic, the endocrine system has a hard time maintaining proper glucose levels in the blood. So, a person has to monitor their glucose levels very carefully, to make sure that they stay healthy. However, this is only one of many examples. I hope this helps you!
In fruit flies, long wings are dominant over short vestigial wings. Which punnet square would have 50% of the offspring have long wings and 50% of the offspring have short wings
A)
B)
C)
D)
Answer:D D
Explanation:
List the structures of a sperm. (Module 26.3C) List the structures of a sperm. (Module 26.3C) acrosome, head, cilia, and flagella acrosome, head, neck, middle piece, and tail nucleus, lysosomes, peroxisomes, and Golgi apparatus acrosome, spermatid, and spermiogenic head head, neck, and tail
Answer:
I think your question is poorly worded, just like all the parts are: a head and its flagellum, but within them we can distinguish several structures, which, in cephalad-caudal order (from head to tail, that is, from top down), son: acrosome, nucleus, membrane, neck, middle piece, tail and end piece.
Explanation:
Sperm are zygote cells that have half the genetic load, which is why when they join the ovum in fertilization, they form the complete genetics of the human.
In turn, the sperm has very efficient mechanisms for obtaining rapid energy, since they consume many ATP molecules when inoculating the ovum during fertilization.
They are formed by with the help of the sertoli cell, which sets the physiological state so that in the human testicle they are formed releasing in the male semen.
Answer:
head,acrosome, neck, middle piece, and tail
Explanation:
The sperm cells are sex cells that are produced in the testicular organ (gonad) of male human beings and animals.
The basic structure of the sperm includes;
1) The Sperm Head
A normal sperm head is smooth and oval shape, and measures 2.5 to 3.5 um in diameter and 4.0 to 5.5 um in length.
The head is the most important part of the cell given that it contains the nucleus which takes about 65% of the head and consist of the 23 chromosomes. Other materials too like the acrosomal region is found in the head which comprises of the acrosome and the acrosomal cap ( the acrosome is involved in the recognition of the oocyte (egg) to be fertilized).
2) The centriole is part of the sperm cell located between the head and the midpiece (the neck). In a centriole-centrosome complex, the centriole is involved in the formation of sperm aster and zygote aster.
3) Middle piece
The midpiece is the central part of the sperm cell between the head and the tail. They contain tightly packed mitochondria that provide the energy requires for swimming of the sperm towards the oocytes.
4)Tail
The sperm tail is a thin, elongated structure that makes up about 80 percent of the entire length of the sperm. It consists of several parts;
a) Connecting piece – it connects the flagellum to the sperm head
b) Midpiece - In some books, the midpiece is described as part of the tail. It contains mitochondria and thus provided the energy required for movement as explained above
c) Principal piece (axial filament) and
d) End piece
principal piece and the end piece of the tail help generate the waveform that allows for movement of the sperm cells.
What is part of the appendicular skeleton?
Final answer:
The appendicular skeleton comprises the bones of the upper and lower limbs, along with the pectoral and pelvic girdles.
Explanation:
The appendicular skeleton, a pivotal component of the human skeletal system, encompasses the bones that form the framework for the upper and lower extremities. Comprising the arms, forearms, hands, thighs, legs, and feet, it is instrumental in executing a diverse range of movements essential for daily activities. Integral to the appendicular skeleton are the pectoral girdle, or shoulder girdle, and the pelvic girdle, which serve as anchor points for the limbs, connecting them to the axial skeleton—the central core comprised of the skull, vertebral column, and ribcage.
These girdles not only provide a structural foundation for the limbs but also play a crucial role in maintaining balance and coordination. Beyond locomotion, the appendicular skeleton serves as a protective shield for vital organs, enclosing and safeguarding the delicate structures within the limbs. This intricate interplay between the axial and appendicular components ensures the body's ability to navigate its environment with precision, while simultaneously offering resilience and support for a wide array of physical activities.
Ras is a GTP-binding protein that is often defective in cancer cells. A common mutation found in cancer cells causes Ras to behave as though it were bound to GTP all the time, which will cause cells to divide inappropriately. From this description, the normal Ras gene is _____. a proto-oncogene. an oncogene. a proto-tumor suppressor gene. a gain-of-function mutation. a tumor suppressor.
Answer:
a proto-oncogene.
Explanation:
The protooncogenes are genes capable of causing cancer when they are activated to oncogenes by mutations that dysregulate their functions. In this case, the mutation in the Ras is a GTP-binding protein convert it to an oncogene that stimulates the cell proliferation mechanism
.
Final answer:
The normal Ras gene is an oncogene that can cause uncontrolled cell division and potentially cancer when mutated.
Explanation:
The normal Ras gene is an oncogene. Oncogenes are genes that have the potential to cause cancer when they are mutated. In the case of the Ras gene, when it is mutated and behaves as though it were bound to GTP all the time, it causes uncontrolled cell division, leading to inappropriate cell proliferation and potentially the development of cancer.
describe what happened to China's air pollution between December and March and explain why IN YOUR OWN WORD (hint*, use what the video says about cars and factories)
Answer:
The air pollution in china decreases due to less usage of transportation and shutdown of industries.
Explanation:
From December to march, transportation and industrial work is greatly affected due to the corona virus. Due to reduction of activities in both transportation and industries, there is a lot of decrease occurs in the air pollution. We know that smoke produce by vehicles and industries are the main cause of pollution so that's why air pollution decreases between December to march..
What is fertilization?
Fertilization is the union of sperm and egg cells, forming a zygote that develops into an embryo through cell division.
Fertilization is the fusion of a sperm cell with an egg cell, resulting in the formation of a zygote. This process combines the genetic material from both the male and female gametes to form a single diploid cell, which then undergoes rapid cell division to develop into an embryo. In human reproduction, fertilization typically occurs in the fallopian tubes, where a sperm cell penetrates the egg cell's protective layer and fuses with it. The successful fertilization of an egg marks the beginning of pregnancy and initiates the developmental process that eventually leads to the formation of a new individual.
A gene is a segment of DNA on a chromosome. How are genes related to the proteins made by a cell?
A.
The structure of the genes in a cell determines the structure of the proteins made by the cell.
B.
All genes in a cell have the same exact structure, but each gene codes for a different set of proteins.
C.
All genes in a cell have the same exact structure, so all genes code for the same exact set of proteins.
D.
The structure of the genes in a cell is unrelated to the structure of the proteins made by the cell.
The structure of the genes in a cell determines the structure of the proteins made by the cell.
What is DNA?DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA.
Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA). Mitochondria are structures within cells that convert the energy from food into a form that cells can use.
The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T). Human DNA consists of about 3 billion bases, and more than 99 percent of those bases are the same in all people.
Therefore, The structure of the genes in a cell determines the structure of the proteins made by the cell.
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Fill in the blanks with the answer that correctly completes the sentence below.
_______ and _______ can only obtain food through consuming other organisms.
A.
Euglena and amoebae
B.
Volvox and euglena
C.
Amoebae and paramecia
D.
Paramecia and volvox
Answer:
C. Amoebae and paramecia is the answer.
Explanation:
The correct sentence completion is c) "Amoebae and paramecia", as they are the organisms that can only obtain food through consuming other organisms unlike Euglena which can both perform photosynthesis and take up nutrients heterotrophically.
Amoebae and paramecia can only obtain food through consuming other organisms. The correct completion for the sentence is: c) Amoebae and paramecia can only obtain food through consuming other organisms. This indicates that both amoebae and paramecia are heterotrophic organisms, which means they do not produce their own food through photosynthesis but instead rely on other sources for nourishment.
In contrast, Euglena, as mentioned within the Euglenozoans information, can operate as mixotrophs. When light is available, they can perform photosynthesis, but in its absence, they switch to heterotrophy and take up organic nutrients from their environment. Therefore, they would not fit this sentence as they are capable of photosynthesis under certain conditions.
Cystic fibrosis is an autosomal recessive disease where mucus develops in the lungs, liver and the pancreas. Which Punnet Square would have 25% of the offspring be homozygous dominant?
A)
B)
C)
D)
Answer:
A
Explanation:
B and D are incorrect because 0% of the offspring would be homozygous dominant
C is incorrect because 50% of the offspring would be homozygous dominant
that leaves A as the only correct answer which makes sense because only the first square is AA which is 25% of the whole
What is two-point discrimination? Choose the correct option. A. The average distance between two points that can be differentiated by the somatic sensory system B. The distance between two points that cannot be differentiated by the somatic sensory system C. The greatest distance between two points that can be differentiated by the somatic sensory system D. The smallest distance between two points that can be differentiated by the somatic sensory sy
Answer: D. The smallest distance between two points that can be differentiated by the somatic sensory sy
Explanation:
the discrimination of two points is a test that assesses the possibility of distinguishing the contact of two separate points that are applied at the same time on the skin, the purpose is to define the minimum distance of separation with which the person can differentiate the separated stimuli
Answer:
The correct option is D:
"The smallest distance between two points that can be differentiated by the somatic sensory system"
Explanation:
The two-point discrimination is defined as the ability to tell the difference between two closely placed distinct points that are touching the skin. Usually very sharp points are used to test this during a neurological exam. It is done to check how many nerves are concentrated in that particular area of skin. The minimum distance at which you can recognize two points as two and not one differs for different parts of the body. For example, the finger tips are more sensitive in this regard than the palm of the hand.
Hope that answers the question, have a great day!
- Why would you expect children suffering from PEM to have difficulty maintaining a normal blood pH?
- why carbohydrates are the predominant type of food in the world's diets?
- c. What would be the contribution (percentage of total protein) of this meal towards the total amount of recommended protein for a person who weighs 55 kilograms?
- Galactose is converted to glucose in the liver. Why is there less of a concern about galactose than fructose in the diet?
- What is the Therapeutic Lifestyle Change (TLC) diet, and what recommendations are included?
1. PEM is a nutritional disease which means the people suffering from it consume too little protein or energy. When someone doesn't have the right amount of nutrients their body can't maintain homeostasis as well which would lead to unbalanced pH values.
2. Total calorie consumption should consist of 45-65% carbs to support cells and body function. Higher need for intake raises consumption levels in diets
3. Galactose is needed for your body while fructose raises cholesterol and fat accumulation around the organs. Essentially glucose are good sugars and fructose are bad sugars.
4. It's a heart healthy diet that can lower cholesterol and reduce chances of stroke. Typically it's recommended that you eat less fats and change the types of fat (saturated vs. unsaturated)
1.Children with Protein-Energy Malnutrition (PEM) may have difficulty maintaining normal blood pH due to imbalances in electrolytes and impaired metabolic functions.
2.Carbohydrates are predominant in diets due to their energy content and availability, being a primary energy source worldwide.
3.The contribution of protein in a meal for a 55 kg person depends on the meal's protein content, typically around 10-20% of total caloric intake.
4.Galactose is less concerning than fructose due to the limited presence of galactose in most diets and its efficient conversion in the liver.
5.The Therapeutic Lifestyle Change (TLC) diet aims to reduce cholesterol intake, increase fiber, and promote heart-healthy eating.
Difficulty Maintaining Normal Blood pH in Children with PEM:
Children suffering from Protein-Energy Malnutrition (PEM) may struggle to maintain normal blood pH due to several factors. PEM often results in a reduced intake of essential nutrients, including proteins. The body relies on proteins for various functions, including the regulation of acid-base balance.
Carbohydrates as the Predominant Food Type:
Carbohydrates are the predominant type of food in the world's diets for several reasons. They serve as a primary and efficient source of energy, readily available in various forms, including grains, vegetables, and fruits. Carbohydrates are a dietary staple for many cultures and are often less expensive and more accessible than other macronutrients.
Contribution of Protein in a Meal for a 55 kg Person:
The contribution of protein in a meal toward the total recommended protein intake for a 55 kg person varies depending on dietary needs and goals. A general guideline is to consume around 0.8 grams of protein per kilogram of body weight daily.
Concern about Galactose vs. Fructose:
There is less concern about galactose in the diet compared to fructose because galactose is less commonly found in dietary sources. Galactose primarily comes from the breakdown of lactose in milk and dairy products.
Therapeutic Lifestyle Change (TLC) Diet:
The Therapeutic Lifestyle Change (TLC) diet is a dietary plan designed to lower cholesterol levels and reduce the risk of heart disease. It includes recommendations such as reducing saturated fat and cholesterol intake, increasing soluble fiber consumption, and engaging in regular physical activity.
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