Answer:
catastrophism
gradualism
uniformitarinism
Explanation:
There were several theories associated with evolution. In the theory, evolution was defined as the biological change process that has decedents originate from different ancestors.
Uniformitarinism is the prevailing theory of evolution. It focuses on the formation of the rocks and the earth as we know it today
Gradualism focuses on the gradual change over a long time.
Catastrophism focuses on the catastrophic formation of matter from a mass of matter.
Three ideas about geologic change are Plate Tectonics, Weathering and Erosion, and Climate Change.
1. Plate Tectonics: Plate tectonics is a widely accepted scientific theory that explains how the Earth's lithosphere (the rigid outer layer) is divided into several large plates that move and interact with each other.
These plates can collide, separate, or slide past each other, causing various geological phenomena.
2. Weathering and Erosion: Weathering and erosion are processes that contribute to the transformation and transportation of rocks and landforms.
Weathering refers to the breakdown and alteration of rocks at or near the Earth's surface due to physical, chemical, and biological processes. It includes processes like freeze-thaw cycles, chemical reactions, and the actions of plants and animals.
3. Climate Change: Climate change refers to long-term shifts and variations in global or regional climate patterns. It is driven by various factors, including natural processes and human activities.
Geological evidence, such as ice cores, sediment layers, and fossil records, provide insights into past climate changes that have occurred over millions of years.
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Which of the following is an example of an environmental pressure?
A. Fight between two members of the same species .
B. The air pressure in the atmosphere.
C. Lake that’s gradually running out of water.
D. Breeding between two members of the same species
Answer:
C. Lake that’s gradually running out of water.
Explanation:
Environmental pressures are the activities and factors that lead to climate change.
A lake that is gradually running is an example of environmental pressure in that, environmental changes such as the rise of heat due to global warming and other causes lead to reduction in the water levels of the lake.
Answer:on our quiz B was correct
A lake that is gradually running out of water
Explanation:
This has been reduced in size usually over time and has less important functions in some related organisms than in others
Answer:
Vestigial organs
Explanation:
Vestigial organs are organs that that were once functional in the evolutionary past but ceased to function or have reduced in function over time.
Due to continued disuse, this organs ceased to function or adopted to less important functions.
A good example of a vestigial organ is the Appendix in the human body, as the argument goes; the appendix is a tail that reduced in size with time due to disuse.
Vestigial structures, such as the human tailbone or appendix, reduce in size over time and have less important functions in some related organisms than in others.
Explanation:Vestigial structures, such as the human tailbone or appendix, have reduced in size over time because they are no longer needed. These structures were once functional in distant ancestors but have lost their importance in certain organisms. Evolutionary processes have caused the reduction of these vestigial structures, as they do not contribute to an organism's fitness.
what is an accurate description of mitosis and meiosis
https://youtu.be/zrKdz93WlVk
Mitosis is a type of cell division in which a cell divides into two daughter cells, each containing equal and identical genetic material as that of the parent cell.
For example, if a cell contains 46 chromosomes (2n), then the two daughter cells would also contain 46 (2n) chromosomes after mitosis.
The mitotic division helps in growth and repair of cells.
In contrast, the meiosis is a cell division in which a parent cell divides to produce four daughter cells, each containing half the chromosomes present in a parent cell.
For example, a cell with 46 (2n) chromosomes divide with the help of meiotic division to produce 4 daughter cells, each containing 23 chromosomes.
The meiotic division usually helps in the production of haploid gametes from diploid parent cells.
What do sensory neurons do?
A. Detect, feel, and smell
B. Connect the brain to the spinal cord
C. Connect parts of the brain
D. Control muscle movement
Answer:
A. Detect, feel, and smell
Explanation:
There are three main types of neurons: the sensory ones; the engines; and the interneurons. Sensory neurons carry information captured from the external environment to the nervous system, through stimulus receptors (whether mechanical or chemical). In this case, we can say that the main role of these neurons is to detect, feel and smell.
Interneurons, the most numerous group of neurons, transmit the signal from sensory neurons to the central nervous system. The motors conduct the response to the stimulus received, from the central nervous system to the stimulated organ or tissue.
The correct option is A. Detect, feel, and smell
Sensory neurons are specialized nerve cells that are responsible for detecting and transmitting sensory information from the environment to the central nervous system (brain and spinal cord).
They allow us to perceive and experience various sensations such as touch, pain, temperature, pressure, taste, and smell.
Sensory neurons are equipped with specialized receptors that detect stimuli from the external environment or internal body conditions and convert them into electrical signals that can be transmitted to the brain for processing and interpretation.
Therefore, option A, "Detect, feel, and smell," best describes the function of sensory neurons.
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what moves across axons
Answer:
When a nerve impulse reaches the end of an axon, the axon releases chemicals called neurotransmitters. Neurotransmitters travel across the synapse between the axon and the dendrite of the next neuron.
Explanation:
Thats all i could think of
Answer:
impulses
Explanation:
the long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells.
Settlement can be directly turned into which type of rocks
Settlement can be directly turned into sedimentary rocks.
Explanation:Sedimentary rocks are kinds of rocks that are framed by the collection or statement of little particles and ensuing cementation of mineral or natural particles on the sea floor or other places on the earth's crust. Sedimentation is the aggregate name for procedures that reason these particles to settle set up.
The particles that structure a sedimentary shake are called residue and might be made out of geographical or natural debris.
Please help its a science question I will give you 20 points!
Hey there! :)
The answer to this question is reproduction. Reproduction is the process in which an organism's dna is used to create a new, fully functioning organism. There are two main kinds of reproduction, which are sexual reproduction (ex. humans, dogs, whales, etc) and asexual reproduction (ex. ferns, flowers, trees)
I hope this helps!
~kaikers
List one structural, one behavioral, and one functional adaptation that the organism uses.
List one structural, one behavioral, and one functional adaptation that the organism uses.
Structural adaptations would be changes to the structure of a body. For example the change of fur on an animal.
A physiological adaptation would be chemical changes within the body. For instance, a change in hormone function.
Behavioral adaptations are changes to an organism behaviors, actions or daily activities to help the organism survive. For example a bird knowing not to eat a poisonous berry.
Final answer:
Adaptations in organisms include structural, such as the polar bear's thick fur, behavioral, like the migration patterns of monarch butterflies, and functional, seen in human sweat glands for thermoregulation. These adaptations evolve over time to increase an organism's chances of surviving and reproducing in their specific environments.
Explanation:
Living organisms have various adaptations that enhance their survival and reproductive success. These adaptations can be broadly categorized into structural, behavioral, and functional types. An organism may exhibit a structural adaptation by having a specific physical feature, a behavioral adaptation by displaying a particular behavior, and a functional adaptation tied to its physiology or internal processes.
Example of Structural Adaptation
A structural adaptation could be the thick fur of a polar bear which provides insulation against extreme cold climates. The structure here is the fur, which is thick and dense.
Example of Behavioral Adaptation
Behavioral adaptations include activity patterns such as being nocturnal or social grouping behaviors like living in packs, which can improve an organism's chances of survival and reproduction. A specific example is the migration of monarch butterflies to escape harsh winter conditions. Here, migration is the behavior that has evolved as an adaptation.
Example of Functional Adaptation
As for functional adaptations, sweat glands in humans are an example. They allow us to thermoregulate by sweating, which cools the body in hot environments. The sweat glands' function is thermoregulation, and they are well-suited for this purpose thanks to their ability to produce and secrete sweat.
The Bohr shift
The graph below shows the hemoglobin dissociation curves (also called equilibrium curves) for normal blood pH (the blue curve) and two other conditions.
Given what you know about the Bohr shift, what is the difference in O2 saturation of hemoglobin in the lungs versus hemoglobin in exercising tissues, as represented on this graph? Keep in mind that the pH of blood in the lungs is not the same as the pH of blood in exercising tissues.
Express your answer in percent
please help need ASAP
Th right answer is 57%
The Bohr effect is defined by the influence of pH on the dissociation curve of O2 in hemoglobin. This phenomenon is particularly interesting to study in the human body since the pH varies in the different compartments of the body.
at the pH level is relatively more alkaline than that of blood, so the dissociation curve will be deviated to the left and is represented in green in the diagram. Tissue level is the opposite, the pH is relatively more acidic than that of blood and the curve will be deviated to the right and is represented in red in the diagram.
when we extrapolate, in the lungs we have 100% oxygen hemoglobin saturation whereas at the level of the tissues it is only 43% due to the decrease of the pH and the presence of the CO2. will give 57% (100-43).
What is the Answer to this pls help
It’s B. The egg goes through the tube and is fertilized then released
Which of these is best studied using radio waves instead of light waves? A. The Sun C. A nebula made of gas and dust red giant star D. A large galaxy made of billions of stars
A nebula made of gas and dust red giant star
Most suitable for studying with radio waves would be a large galaxy made up of billions of stars due to its emission of radiation at radio wavelengths and the ability of radio waves to penetrate interstellar dust and gas.
Explanation:
Among the choices provided in the question, the best option studied using radio waves instead of light waves would be a large galaxy made of billions of stars. This is because radio waves provide a unique perspective into the universe with numerous benefits over studying with visible light.
Radio waves can penetrate interstellar dust and gas, providing an uninhibited view of galaxies and nebulae. This allows us to observe phenomena such as the jets of expelled material in the galaxy Cygnus A, visible only through radio observations. Astrophysical bodies containing a lot of gas and dust - much like a large galaxy - emit more radiation at radio wavelengths. This radiation can be observed without the interference of the Earth's atmosphere or the Galaxy's interstellar dust and gas. The Sun, on the other hand, is not especially bright at many radio wavelengths, making it less useful to study with radio telescopes.
Moreover, observations with radio telescopes can often be done during the day as well. Radio emission maps reveal different properties of the universe than those visible in light, teaching us about the structure and properties of the universe on scales from our solar system to the universe as a whole.
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If you chose between two summer jobs what is that the one you do not choose called
Oppurtunity Cost of your decision
The _ Is Made Up Of Fossils That Have Been Disovered Around The World
The earth is made up of fossils that have been discovered around the world
The force of gravity between two objects depends on _ and _
Answer
The force of gravity between two objects depends on mass and distance
Answer:
mass and the distance between them
Explanation:
Jamie is estimating the portion of his ecological footprint that arises from the food he eats. what property of the food should he measure?
A. Its cost to jamie or his family
B. the carbon dioxide that its production adds to the atmosphere
C.the total area of land or water resources that is needed to provide & transport the food
D. the total volume of fossil fuels, fertilizer, fresh water, and other resources that are needed to provide the food
Final answer:
Jamie should measure the total area of land or water resources that is needed to provide & transport the food.
Explanation:
When estimating the portion of his ecological footprint that arises from the food he eats, Jamie should measure the total area of land or water resources that is needed to provide & transport the food. The ecological footprint takes into account the land and water resources required for food production and transportation. This measurement helps determine how much impact Jamie's food choices have on the environment.
In estimating his ecological footprint from food, Jamie should measure the total land and water resources needed for production and transport (Option C) to comprehensively assess the environmental impact.
Jamie, in estimating the ecological footprint from the food he consumes, should measure the property related to the environmental impact of the food. Therefore, the most appropriate option is:
C. The total area of land or water resources that is needed to provide and transport the food.
This metric, often referred to as the "land and water footprint," assesses the spatial extent of resources required to produce the food, including agricultural land and water resources. It accounts for the environmental impact associated with food production, considering factors such as deforestation, water use, and habitat disruption.
Options A, B, and D focus on different aspects but are not as comprehensive in capturing the holistic environmental impact of food consumption. While the cost of food (Option A) may reflect economic considerations and the carbon footprint (Option B) addresses greenhouse gas emissions, they do not provide a comprehensive view of the broader ecological consequences. Similarly, measuring the total volume of resources (Option D) is important but may not encapsulate the spatial dimension of environmental impact as effectively as the land and water footprint.
In pea plants, yellow seed color (Y) is dominant and green seed color (y) is recessive. Based on the Punnett squares, what are the chances that the offspring in the second generation will have green seeds?
YY
Yy
Yy
yy
There would be a 25% chance.
YY
Yy
Yy
yy
There would be a 25% chance.
what is the main reason why soil erosion can be a problem for people
Talking about soil erosion is to talk about the death of productivity soil.
The causes can be many factors like wind, water, or even humans.
On erosion soil, nothing will grow, and that's the main problem for humanity.
If you can't plant grass or any kind of plant, you can't raise animals or vegetables and you will be out of food production.
HELP BRAINLIEST! An organism that is asymmetrical can not be divided into identical or mirror images.
Question 20 options:
True
False
A segmented worm seen below is an invertebrate with what type of body symmetry?...These worms are the most complex animals with worm-like body plans. Worms are invertebrates (meaning they don't have a backbone) and they have a bilateral symmetry.
Asymmetrical organism are those organisms who lack the external symmetry. The statement that an organism that is asymmetrical can not be divided into identical or mirror images is true.
The correct option is A.
What are asymmetrical organism?The organism who can not have mirror image are called as asymmetrical organism.
Examples are snails, honey badger, sperm whales etc.
These organisms do not have similar organs or parts on both side and cannot divide into two similar parts.
Hermit crab has a large claw on one side.
Thus, the statement that an organism that is asymmetrical can not be divided into identical or mirror images is true.
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What is the most likely reason that a long beak could be an adaptation for a bird living in a temperate forest?
The most likely reason that a bird would develop a long beak in a temperate forest is because it feeds on insects and larvae that live in the trees. This kind of beak, long and thin, is necessary for the bird to be able to get to its foo source. It will either look for a whole in the tree, or it will make a whole with its beak, and than use it to penetrate deeper into the hollow part of the tree and get the insects or larvae. This can easily be seen in the woodpecker, which is a prime example of a bird with that kind of beak and that kind of a feeding habit.
Answer:
The beak could assist the bird with cracking open nuts,or attacking competitors
Explanation:
The conservation of energy is a _______ because it is has been demonstrated without exception under certain stated conditions.
A. scientific theory
B. scientific variable
C. scientific hypothesis
D. scientific law
The conservation of energy is a scientific law, an extensively tested principle stating that the total energy in an isolated system remains constant, and it cannot be created or destroyed.
Explanation:The conservation of energy is a scientific law because it has been demonstrated without exception under certain stated conditions. This principle, which states that the total amount of energy in an isolated system always remains constant, is based on extensive experimentation and has found no exceptions to date. The law of conservation of energy asserts that energy can neither be created nor destroyed, only transformed from one form to another. This law occupies the highest level of understanding we have about energy in the natural universe, and its implications are fundamental to physics, as demonstrated by experiments and theories, including Einstein's famous equation E = mc².
How does the theory of plate tectonics explain the location of most earthquakes and volcanoes?
Tectonic Plates, Earthquakes, and Volcanoes. According to the theory of plate tectonics, Earth is an active planet. Its surface is composed of many individual plates that move and interact, constantly changing and reshaping Earth's outer layer. Volcanoes and earthquakes both result from the movement of tectonic plates.
The theory of plate tectonics explains the location of most earthquakes and volcanoes as on the boundaries of tectonic plates, most of the earthquakes or volcanoes happen.
What is plate tectonics?Plate tectonics is the plates that are present in the earth's crust. These plates are of different types. These plates are always in movement. These plates are divergent, convergent, etc.
Earthquakes, volcanoes, and tectonic plates. The plate tectonics hypothesis states that Earth is a dynamic planet.
The numerous separate plates that make up its surface move and interact with one another, continually modifying and reshaping the Earth's outer layer. Tectonic plate movement causes both earthquakes and volcanoes.
Thus, the ends of the tectonic plates are the places where earthquakes or volcanoes happen.
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What does a plant need order for photosynthesis to occur
For photosynthesis to occur, plants need sunlight, water, carbon dioxide and chlorophyll. Through the process of photosynthesis plants convert light energy into chemical energy. They use this energy to make food which they store as sugars.
Plants require sunlight, carbon dioxide, and water to carry out photosynthesis, converting them into glucose and oxygen as a result.
Light: Sunlight, or more specifically, the energy carried by photons in the visible spectrum, is the primary source of energy for photosynthesis. Chlorophyll, a green pigment found in chloroplasts, absorbs light energy and initiates the process.
Carbon Dioxide (CO2): Plants take in carbon dioxide from the atmosphere through tiny pores called stomata, primarily located on the underside of leaves.
Carbon dioxide serves as the source of carbon for the synthesis of glucose.
Water (H2O): Water is absorbed from the soil by plant roots. In the process of photosynthesis, water molecules are split in a process known as photolysis, releasing oxygen as a byproduct.
Chlorophyll: This green pigment found in chloroplasts is crucial for capturing light energy.
Chlorophyll molecules contain magnesium and are responsible for absorbing light, which starts the chemical reactions of photosynthesis.
Enzymes and Other Molecules: Several enzymes and molecules, such as NADP (nicotinamide adenine dinucleotide phosphate) and ATP (adenosine triphosphate), are involved in the various stages of photosynthesis to help convert carbon dioxide and water into glucose.
Chloroplasts: These are specialized organelles found in plant cells where photosynthesis takes place.
They contain chlorophyll and other pigments needed for the process.
Photosynthesis is a complex series of reactions that can be summarized as follows:
6 CO2 + 6 H2O + light energy → C6H12O6 (glucose) + 6 O2.
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Question
What do plants need in order to perform photosynthesis?
What type of molecule speeds up chemical reactions in living things?
A. Lipid
B. Nucleic acid
C. Protein
D. Water
The best answer is B - Proteins.
Proteins make up enzymes, or to put it another way enzymes are made up of protein. It is enzymes that speed up the chemical reactions. Enzymes are organic catalysts, substances that speed up a (biochemical) reaction but do not take part in the reaction and remain unchanged at the end of the reaction.
In man, there are many enzymes. The majority of these are found in the digestive system where they greatly aid the process of food breakdown from complex molecules to simple molecules. Examples include salivary amylase found in saliva, which begins the gradual breaking down of starch into glucose right from the moment food is placed in the mouth and mixed with saliva. Pepsin in the stomach breaks down protein.
C. Protein is the answer!
Have a great day/night! :D
Which has been around longer birds or reptiles
birds!!!!!!!!!!!!!!!!!!!!!
Matter is made up of small particles called
.
Answer:
Matter is made up of very small particles called ''Atom'
An atom are the basic building blocks of ordinary matter. Atoms can join to form molecules, which in turn from most of the objects around you.
Atoms are composed of particles called protons, electrons, and neutrons.
Protons carry a positive electrical charge.
Electrons carry a negative electrical charge.
Neutrons carry no electrical charge at all.
Hope this helps have a very GOOD day my friend......
matter is made up of atoms
Into how many sections is the human heart divided?
A. two sides and two chambers
B. two sides and four chambers
C. three sides and three chambers
D. three sides and six chambers
Answer:
The answer is B
Explanation:
The heart has two sides: the left side and the right side. Each side of the heart is divided into two parts, called the atrium and the ventricle. The atrium is the top part. The ventricle is on the bottom. Please give me the brailiest answer?
:) Hoped this helped!!! Have a good day!!! <3
The human heart is divided into four chambers, comprising two atria and two ventricles, which are separated into two sides by a septum. The correct answer to the question is B. two sides and four chambers.
The human heart is divided into four chambers. On each side of the heart, there is one atrium and one ventricle. The right side consists of the right atrium and right ventricle, mainly responsible for pumping deoxygenated blood to the lungs. Conversely, the left side comprises the left atrium and left ventricle and is tasked with pumping oxygenated blood to the rest of the body. Each atrium acts as a receiving chamber for blood and contracts to push blood into its respective ventricle. The ventricles are the main pumping chambers, forcing blood out of the heart to the lungs or bodily tissues. A septum divides the heart's left and right sides, and one-way valves ensure that blood flows in the correct direction, preventing any backflow. Based on this information, the correct answer to the student's question, "Into how many sections is the human heart divided?", is B. two sides and four chambers.
What piece of lab equipment should be used when transferring a test tube from the rack into a beaker of hot water?
beaker tongs i think
Answer:
The correct answer is - test tube clamp or test tube tongs.
Explanation:
Test tube clamps are also known as test tube tong that is used to carry the test tube when it should not be touch or if it contains chemicals that can harm researchers. It also helps to hold the hot test tube during an experiment.
Test tubes are the glassware that use to carry the small quantity of substances or chemicals for testing or experimenting. These tubes can behold by the test tube clamps or tongs.
Thus, the correct answer is - test tube clamp or test tube tongs.
what does a cell try to do if the area around it changes? i cant find the answer anywhere...
a cell adapts using natural celection in the long term
in the short term, look at this Wikipedia article.
https://en.wikipedia.org/wiki/Cellular_adaptation
We have cells from the hair on our heads to the nails on our toes. Our bodies have about 200 different types in all. Cells form our muscles and bones. They help us turn food and oxygen into energy. They heal our wounds and keep us well. Cells perform their particular duties with strict protocols and in amazing order. They also communicate and cooperate with the cells around them. However, once their job has done all it can. and they have given their all, they kill themselves to make room for new, healthy cells. This is how our bodies work to keep healthy and grow.
Bad cells (cancerous) are quickly killed by the immune system. Unfortunately, some of the damaged cells find ways to survive. Normal cells grow, divide and use their cellular machinery according to predefined rules in the cells but cancer cells mislead the body's signals causing the cancer cells to divide and spread.
Perhaps this information will help guide you to your specific answer to your question
Which kingdoms contain organisms that are prokaryotes
Bacteria and Archaea.
What structures are found in the dermis?
The dermis, the skin's next layer, is a thick layer of fibrous and elastic tissue (made mostly of collagen, with a small but important component of elastin) that gives the skin its flexibility and strength. The dermis contains nerve endings, sweat glands and oil (sebaceous) glands, hair follicles, and blood vessels.
Hope This Helps! Have A Nice Day!!
Structures found in the dermis are collagen, elastic fibers, and extrafibrillar matrix.
Structural components of the dermis:The dermis or corium is a layer of skin between the epidermis and subcutaneous tissues, that primarily consists of dense irregular connective tissue and cushions the body from stress and strain.
Structural components of the dermis are collagen, elastic fibers, and extrafibrillar matrix. It also contains mechanoreceptors that provide the sense of touch and thermoreceptors that provide the sense of heat.
Collagen: Collagen is the main structural protein in the extracellular matrix found in the body's various connective tissues.
Elastic fibers: In the dermis of animals with single, primary hair follicles are derived from cells lining the hair follicle or from the ends of the pili muscle, which anchors the muscle to the matrix or to the hair follicle. Each follicle is interconnected with elastic fibers.
Extrafibrillar matrix: The dermal material lying outside the cells, and not consisting of either collagen fibers or elastic fibers, is called the extrafibrillar matrix.
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