The carbon cycle is the process in which carbon moves throughout an environment.
Final answer:
The carbon cycle is a process where carbon moves between reservoirs in the biosphere, with organisms playing a crucial role in both releasing and recycling carbon. Recycling carbon is important for the formation of essential biomolecules.
Explanation:
The carbon cycle is a process through which carbon moves from one reservoir to another in the biosphere. Organisms play a crucial role in this cycle as they both release and recycle carbon.
During cellular respiration, organisms release carbon into the atmosphere as carbon dioxide. On the other hand, producers like plants remove carbon dioxide from the atmosphere during photosynthesis and use it to create organic carbon compounds.
Recycling carbon is important because carbon is the cornerstone of organic compounds necessary for life. While organisms do not make their own carbon, they obtain it by recycling carbon from other living organisms and from the atmosphere. This recycling ensures the availability of carbon for the formation of essential biomolecules.
which recent discovery led to a new understanding of how genetic mutations increase the risk of cancer
The discovery of BRCA1 and BRCA2
genes led to a new understanding of how genetic mutations increase the risk of
cancer is. Mutations in the genes BRCA1 (breast
cancer gene 1)
and BRCA2 (breast cancer gene 2) increase a woman's risk of developing breast
or ovarian cancer. BRCA mutations account for about 5% of all breast
cancers and 4%–11% of all ovarian cancers.
The correct answer between all
the choices given is the second choice or letter B.
An interaction between two abiotic factors would be
A a bear catching a salmon
B lightning strikes a tree
C the sun warms the ground D a bee on a flower
C) the sun warms the ground.
Offspring receive how many alleles of a particular gene from each parent?
Planets in our solar system travel in their own orbital paths around the Sun. What causes the planets to continuously orbit the Sun instead of floating away into space?
A)
Not enough room is available in space for planets to float freely.
B)
The planets' magnetic poles prevent them from leaving their orbital paths.
C)
Gravitational pulls of planets' moons are too strong for planets to float away.
D)
The Sun's large mass causes it to have significant gravitational force, holding planets in their orbital paths.
The Answer is D. The sun's large mass causes it to have significant gravitational force, holding planets in their orbital paths. The moon does not effect this pull, as the sun's pull is much stronger than the moon's. The moon is responsible for the tides of the Earth, and it in fact rotates around us.
Answer:
The Sun's large mass causes it to have significant gravitational force, holding planets in their orbital paths.
Explanation:
Scientists have long established that the solar system is held together by the gravitational force of attraction between the bodies in space.
According to scientists, the magnitude of the gravitational force of attraction depends on the relative masses of the bodies. The larger the masses of the bodies the greater the gravitational force of attraction.
Hence the large mass of the sun causes it to have a large and significant gravitational pull on the planets thereby holding them in their orbital parts.
Which simple machine can be described as a rope that is threaded through a wheel or disk? A. inclined plane B. pulley C. screw D. lever
Which simple machine can be described as a rope that is threaded through a wheel or disk?
The correct answer is B - Pulley
A pulley is a simple machine that is used to lift loads. It consists of a wheel on which a rope is placed and the rope is pulled by the person towards himself to lift the load that is tied on the other side of the rope. There are three main types of pulleys: fixed, movable, and compound.
Brendan made a chart to categorize the characteristics of animals. which phrase should be written in the column titled “sometimes”?
A. are multicellular
B. have membrane-bound organelles
C. produce their own food
D. display an asymmetrical body plan
Answer:
D. display an asymmetrical body plan
Explanation:
Most of the animals have bilateral symmetry but sometimes animals show asymmetrical body plan.
Rest of the options are wrong.
Animals are always multicellular and there is no exception to this fact. So, if we will write sometimes animals are multicellular, it will be a wrong statement.
Animals are eukaryotic organisms so it means that they must have membrane-bound organelles .The organisms which do not have membrane-bound organelles are known as prokaryotes but animals are eukaryotes. So B statement is wrong.
All the animals are heterotrophs that means that animals cannot produce their own food in any situation so statement C is also wrong.
Answer:
Display an asymmetrical body plan
Explanation:
PLZ HURRY IT'S URGENT!!!
Which best explains the bonding behavior of the family of elements in the Periodic table called metals? A. Metals tend to form bonds by sharing electrons. B. Metals have complete outer shells, so they rarely form bonds. C. Metals tend to form bonds by gaining electrons. D. Metals tend to form bonds by giving up electrons.
Final answer:
Metals form bonds by giving up electrons, creating a sea of delocalized electrons that allow for metallic bonding, responsible for metals' distinctive properties such as conductivity and malleability.
Explanation:
The correct answer to this question about the bonding behavior of metals is D. Metals tend to form bonds by giving up electrons. In metallic bonding, atoms of metals lose their valence electrons into a shared 'sea' throughout the solid. This allows metals to conduct electricity and heat due to the delocalized electrons that freely move through the structure. The metallic bonds formed between metal atoms allow for their characteristic properties, such as malleability, ductility, and high electrical and thermal conductivity. Furthermore, the malleability and ductility of metals find their origins in the resilient metallic bonds that bind atoms together, underscoring the multifaceted nature of metallic bonding.
Which of the fallowing is the most serious effect of water pollution for humans?
infectious diseases
hope this helps :)
What does evolutionary theory suggest about the unity and diversity of life?
all species-living and extinct-are united by descent from anciet common ancestors, and exhibit diversity due to natural selection and adaptation
A solution is a mixture of
A solution is a mixture of different substances
Explanation:A solution is a homogeneous mixture of two or more substances. It consists of a solute and a solvent. For example in a solution in which carbon dioxide is dissolved in water, the water is the solvent and the carbon dioxide is the solute. Different types of solutions have solvents and solutes in different phases. Some examples of solutions are salt water, rubbing alcohol, and sugar dissolved in water.
the diagram below represents the time a cell spends in the two main phases of the cell cycle. what is happening in the phase represented by the yellow area?
The two main phases are interphase and mitosis
As far as my knowledge goes, the yellow area is mitosis, and mitosis is a process of cell division which results in two new nuclei (each containing a complete copy of the parental chromosomes)
D. the cell is dividing
Answer:
D. The cell is dividing.
Explanation:
Cell cycle is a series of events that leads to development of two daughter cells from a parent cell. The two main phases of cell cycle are interphase and mitosis. Interphase is the longest phase of cell, while mitosis takes much less time than interphase.
During interphase cell prepares for division and replicates its DNA, while mitotic phase involves actual cell division. During mitosis, division of nucleus and cytoplasm takes place to form two daughter cells.
Thus, the correct answer is option (D).
Which of the following statements best describes a neutron's charge?
1. A neutron has a positive electrical charge.
2. A neutron has no electrical charge.
3. A neutron has a negative electrical charge.
4. It is unknown whether or not a neutron has an electrical charge.
A neutron has no charge
NEUTRAL = NONE
well thats how I remember it anyway
SO ITS NUMBER 2
A neutron has no electrical charge and is electrically neutral. Neutrons are part of the atom's nucleus alongside protons and provide mass to the atom without influencing its net electric charge.
The correct answer is that a neutron has no electrical charge. Neutrons, like protons, reside in the nucleus of an atom. While protons have a positive electrical charge, and electrons have a negative electrical charge, neutrons are electrically neutral. The neutron's lack of charge means that it does not contribute to the electrical characteristics of an atom. Essentially, neutrons provide mass without affecting the charge.
It is noteworthy that although a neutron itself is uncharged, it is composed of smaller particles called quarks, which do have electric charges. However, the sum of the charges of the quarks inside a neutron is zero, which is why the neutron is electrically neutral.
If a marine plant grows deep underwater, how could it evolve to still obtain sunlight? What would the structure of the plant have to be in order for it to thrive?
Its chlorophyll pigment would be adapted to utilizing the blude-green spectrum of sunlight for photosynthesis rather than the red spectrum like land plants. This is because red light is absorbed by the oceans and does not reach greater depths (this is why oceans appear blue). These plants would therefore appear red in color.
Plants that live in the oceans have air-spaces in their leaves that that help them stand upright in water. They use buoyancy for structural integrity. This is why even long plants such as kelp seem to be upright in water (but will collapse when put on land).
can someone answer this riddle worth alot and who ever can get this will get brainlist okay so if there where 10 fish and 5 drown how much is left.....
10 as the dead fish r still in the tank
The fish can't drown so, 10 fish is still left.
Where do animals obtain their chemical energy from
From the food they intake in different ways such as Plants or other animals such as insects which are their fuel
Final answer:
Animals obtain chemical energy from food molecules like glucose through the process of cellular respiration, which transforms energy stored in food into ATP.
Explanation:
Chemical Energy in Animals
Animals obtain their chemical energy primarily from the food they eat. Unlike plants, animals cannot produce energy through photosynthesis, so they get their energy from food molecules like glucose. This process is known as cellular respiration, where energy stored in food is converted into a usable form, ATP. Cellular respiration can be either aerobic, involving oxygen, or anaerobic, without oxygen. The primary components of food that provide this energy are carbohydrates, fats, and proteins.
Organisms that cannot perform photosynthesis, like animals, depend on the consumption of other organisms to meet their energy requirements. They rely on a process that extracts the energy necessary to sustain their metabolism and to fuel their bodily functions such as muscle movement and cellular processes.
put a check mark on the line before each phrase that applies to cloning.
1.____ a form of sexual reproduction
2.____ produces genetically identical offspring
3.____a technique developed by scientists
4.____ occurs in nature
5.____ produces offspring from a cell or a cluster of cell
6.____ use by unicellular organism
I think you should put a check mark by 2, 3,
5, and maybe 6.
Hope this helps.
Final answer:
Cloning produces genetically identical offspring and is both a natural phenomenon and a technique developed by scientists. It occurs in nature, especially among unicellular organisms, and has been achieved in multicellular organisms through reproductive cloning.
Explanation:
Cloning is the process of creating an exact genetic replica of an organism. The clone's DNA is exactly the same as the parent's DNA. The characteristic statements about cloning are:
2.✓ produces genetically identical offspring3.✓ a technique developed by scientists4.✓ occurs in nature5.✓ produces offspring from a cell or a cluster of cells6.✓ use by unicellular organismsCloning can happen through both natural and scientific methods. Unicellular organisms like bacteria reproduce asexually through cellular cloning. Reproductive cloning allows the creation of a clone for entire multicellular organisms and was popularized by the cloning of Dolly the sheep. It is a significant achievement in biotechnology, indicating that identical genetic replication is possible for multicellular organisms through artificial means, despite most such organisms typically reproducing sexually.
Which types of embryos have pharyngeal slits? A. fish, amphibians, reptiles, and birds B. fish and amphibians C. all chordates D. fish, amphibians, and reptiles
I think A but I’m not positive
Embryos represent one of the developmental stages of an organism. Pharyngeal slits are the characteristic feature of all the chordates. Thus, option C is correct.
What are pharyngeal slits?Pharyngeal slits are the organs that act as reparatory organs and filter feeders, they are seen along the caudal region of the pharynx. It allows the water to move in and out. These are the feature of the chordates and have evolved in different species over time.
Therefore, pharyngeal slits are seen in the embryos of all the chordates.
Learn more about pharyngeal slits here:
https://brainly.com/question/15445256
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A deciduous forest biome is?
A deciduous forest is a biome dominated by deciduous trees which lose their leaves seasonally. The Earth has temperate deciduous forests, and tropical and subtropical deciduous forests, also known as dry forests. Another name for these forests is broad-leaf forests because of the wide, flat leaves on the trees. Trees in tropical deciduous forests lose their leaves in the dry season and regrow them in the rainy season. In temperate deciduous forests, trees lose their leaves in the fall and regrow them in the spring.
what is the name of the process that involves a strong attractive force that keeps atoms together
a. chemical bonding
b. valence electrons
c. electronegativity
d. cations
Aaaaaaaaaaaaaaaaaaaaaaaaa
Answer:
A. chemical bonding
Explanation:
The carrying capacity for a population within an ecosystem describes the number of organisms that can be supported by the resources available within the ecosystem over a period of time. Which event might increase the carrying capacity for rabbits in a prairie ecosystem?
A) A decrease in vegetation
B)a period of drought
C( A season of extra rain
D) A new predator species moving in
The correct option is C, that is, A SEASON OF EXTRA RAIN.
The carrying capacity for a population within an ecosystem gives us information about the number of that particular specie that the ecosystem can support. There are many factors that can increase or decreases the carrying capacity of an ecosystem.
In the scenario given in the question, a season of extra rain will increase the carrying capacity of the population, this is because, a season of extra rain will bring about extra bountiful growth of grasses, which will serve as food to the population, thus, there will be an increase in the quantity of food resources that are available, this is in turn will increase the carrying capacity of the population.
Which organism has fur and mammary glands, but does NOT have opposable thumbs?
Answer:
An organism that has fur and mammary glands but does not have opposable thumbs is a **cat**. Cats have fur covering their bodies for insulation and protection, mammary glands for nursing their offspring, but they lack opposable thumbs.
What two factors keep Earth in orbit and around the sun and the moon in orbit around Earth?
A)
force and speed
B)
mass and distance
C)
gravity and inertia
D)
gravity and distance
Final answer:
Gravity and inertia are the two factors that maintain the orbits of the Earth around the sun, and the moon around Earth, providing the equilibrium for their movements in space.
Explanation:
The factors that keep the Earth in orbit around the sun and the moon in orbit around Earth are gravity and inertia. Gravity is the force of attraction between two masses, which in this case are Earth and the sun, and Earth and the moon. Inertia is the tendency of an object to remain in uniform motion unless acted upon by an external force. The balance between gravity pulling the celestial bodies towards each other and inertia trying to keep them moving in a straight line is what keeps them in their respective orbits.
Within each eon, identify major events and the types of life that dominated the Earth during the time.
There has been two eons in the Earth's geologic history so far, the Precambrian eon, and the Phanerozoic eon. The eons are the basic and by far longest units on the geological time scale, spreading over hundreds of millions of years.
The Precambrian eon is the eon that starts with the formation of the Earth, up until the development of multi-cellular organisms. A very important event in this eon can be considered the formation of the Earth's oceans, which later enabled the conditions for the development of life. The organisms that dominated this eon are the one cellular organisms.
The Phanerozoic is the eon in which the multi-cellular organisms started to develop and evolve. This eon started with the end of the Precambrian eon, 543 million years ago up until the present. A very important event in this eon is the change of the composition of the atmosphere, which enabled the terrestrial life, as well as the better living conditions for the marine life. It is very hard to choose a dominant form of life in this eon, but worthy of mentioning are the plants, the sinapsids, dinosaurs, mammals, fish.
can someone help me answer these questions too pleasee
The main message is about the bio engineered fish, and how it could affect the environment.
Arguments about how the FDA is keeping it secure and sterile prove to make it a good meal.
A stakeholder would be the FDA, and the Aqua-advantage.
The writers attitude may be to inform the readers about this new product that is coming out, and giving little tips on what its origin is.
Which term describes the living and non living things in an area
The living organisms in an ecosystem are called biotic factors whereas the non living are called abiotic
examples include:
abiotic: rain, wind, sunlight, and soil
biotic: trees, animals, and fungi
Which statement best describes an ethical concern related to genetic engineering
The answer should be People should not be intentionally manipulating the genes of organisms.
which of these is the most likely effect on the ecosystem
One of the species dieing off.
Three metal spheres are placed next to each other as shown in the picture. A has two times the mass of B. C has one-third the mass of A. The distance between A and C is half that between A and B. Given these conditions, which statement is true? A) The gravitational force between A and B is one-third that between A and C. B) The gravitational force between A and B is two-thirds that between A and C. C) The gravitational force between A and B is three-eighths that between A and C. D) The gravitational force between A and B is four- sevenths that between A and C.
The gravitational force between A and B compared to A and C is three-eighths, calculated by the ratio of the product of their masses and the square of their distance apart, according to Newton's law of universal gravitation.
The question involves gravitational force, which can be calculated using Newton's law of universal gravitation. This law states that the gravitational force (F) between two masses (m1 and m2) is directly proportional to the product of their masses and inversely proportional to the square of the distance (r) between them. The formula is:
F = G * (m1 * m2) / r2, where G is the gravitational constant.
Given that sphere A has twice the mass of sphere B, and sphere C has one-third the mass of A, we can assign mass values relative to B (e.g., A = 2B, C = 2/3B). Since the distance between A and C is half that between A and B, the force between A and C is affected by the square of this factor (1/2)2 = 1/4.
Thus, the force between A and C is stronger by a factor of 4 relative to the force between A and B.
By comparing the ratio of the two forces given the masses and distances, we can find that the gravitational force between A and B is actually three-eighths that between A and C (since (2B*C)/(B*2B) times 4 (the factor from the distance being halved) simplifies to 3/8). Therefore, the correct answer is C) The gravitational force between A and B is three-eighths that between A and C
In the respiration-photosynthesis cycle shown above, what are the reactants of photosynthesis that belong in Box 2?
Answer: Glucose And Oxygen
Explanation:
Answer:carbon dioxide and water
Explanation:
What was the predator of the stickleback in loburg lake?
A. Frogs (tadpoles)
B. Dragon flies (larva)
C. Humans
D. Moose
The correct answer is - C. Humans.
The stickleback in Loburg Lake, Alaska, is not a native species of the lake. It is thought that this fish was introduced to this lake somewhere between 1984 and 1989. The reason for this kind of suggestion is that the stickleback in this lake had full armor like the stickleback in the seas, which is not something found among the lake populations of this species. Also, the full armor had gradually been reducing with each new generation, and in the present, the stickleback in this lake looks totally the same as the other lake populations.
The stickleback did not had any predators in Loburg Lake, thus the losing of the full armor as it was not needed, instead the stickleback was the predator. But even though it didn't had a predator in the water, the humans became its predator through the recreational fishing that takes place on this lake.
Answer:
The answer is B
Explanation:
start watching at three minutes
Making of the Fittest: Evolution of the Stickleback Fish — HHMI BioInteractive Video (on You tube)