Answer: A
Explanation:
because I used it during the quiz an I passed so, that is the correct answer.
1) The interaction of which two systems provides the molecules needed for the
metabolic activity that takes place at ribosomes?
Answer:
digestive and circulatory
I WILL MARK BRAINLIST
Fill in the blanks with the correct words.
The movement of molecules from an area of low concentration to an area of high concentration occurs in
transport.
In
transport, molecules move from an area of high concentration to an area of low concentration.
Answer:
The movement of molecules from an area of low concentration to an area of high concentration occurs in active transport.
In passive transport, molecules move from an area of high concentration to an area of low concentration.
Explanation:
Which would cause the body to release more water through the excretory
system?
A. Losing salt through the skin
B. Eating salty foods
C. Jogging in a gym
D. Sweating on a hot day
Answer:
B
Explanation: Hormone control of water and salt
Rehabilitation of water is regulated by the antidiervative hormone (ADH) in negative feedback. ADH comes out from the pituitary gland in the brain. Except for fluid levels in the blood, the hypothalamus causes pituitary to release ADH in the blood. ADH works to increase the absorption of water in the kidney. It puts more water back in the blood, increases the concentration of urine. When there is too much fluid in the blood, sensor in the heart indicates the hypothalamus due to a decrease in the amount of ADH in the blood. It increases the amount of water absorbed by the kidney, resulting in a large amount of diluted urine.
Aldosterone, a hormone that passes through the kidney, controls the transfer of sodium in the blood from nephron. When sodium level falls in the blood, aldosterone is released in the blood, which leads to sodium from nephron to blood. This induces water to flow into the blood via osmosis. Renin has been left in the blood to control aldosterone.
I think this is correct, I hope I help u. :)
Sweating on a hot day would cause the body to release more water through the excretory system.
What is excretory system?Excretory system refers to system of the body that consist of excrete organs like large intestine, skin which help to excrete or passed out waste product out of the body which can be toxic to the body.
Therefore, Sweating on a hot day would cause the body to release more water through the excretory system.
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Which list consists of four factors that play a role in determining climate?
A. altitude, insolation, ocean currents, soil type
B. insolation, mountain ranges, ocean currents, soil type
C. insolation, latitude, mean June temperature, ocean currents
D. global winds, insolation, large bodies of water, ocean currents
Answer:
Global winds, insolation, insolation, large bodies of water, ocean currents.
Explanation:
Climate is the atmospheric condition of a place at a time such as temperature and rainfall . global winds, insolation, large bodies of water, ocean currents consist of four factors that play a role in determining climate. Insolation or solar energy determine climate of an area. Rays of sunlight hit the Earth and area near the equator which in one way or the order increase the temperature of an area.
lakes, oceans, and streams play a vital role in climate processes by serving as reservoirs for water, which can evaporate from the surface to fall later as rain or snow.
Bodies of water also reduce changes in temperature of surronding land areas .They make sure high temperature Don't get high and low temperature Don't reduce to low.
Ocean currents which move water from one place to another affect the climate of a place.
Answer:
d. global winds, insolation, large bodies of water, ocean currents
Explanation:
According to cell theory which is made of cells
Answer:
All units of life
Explanation:
Answer:
All living things.
Explanation:
Fred is studying his notes from anatomy class. One list in his notes describes features of a CNS structure.
anterior horns and posterior horns
gray matter inside, white matter outside
hippocampus
central canal
Fred thinks this list contains an error. Which best describes the error?
A) Most items are features in the brain, but the gray and white matter locations correspond to the spinal cord.
B)Most items are features in the brain, but the horns are in the spinal cord.
C)Most items are features in the spinal cord, but the central canal is in the brain.
D)Most items are features in the spinal cord, but the hippocampus is in the brain.
Answer: D!!!!!
Explanation: JUST DID IT!!!
The list that contains an error is most items are features in the spinal cord, but the hippocampus is in the brain. The correct option is D).
What is CNS?
CNS means the central nervous system that contains the parts, brain, and spinal cord of animals. Its job is to control voluntary and involuntary movements of the body.
The hippocampus is a complex structure of the brain present in the temporal lobe, not the spinal cord.
Thus, the correct option is D) Most items are features in the spinal cord, but the hippocampus is in the brain.
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Which word best describes the nature of predator-prey dynamics in stable communities?
Answer:
Cyclic
Explanation:
It is cyclic because as the number of predators increase in the ecosystem, the number of preys decreases with time. This decrease in preys means lesser food resources for the predators which then decreases the population of the preys. As the predators decrease the number of preys starts to recover and increase in population.
The cycle goes on and on which makes it a cyclic relationship in the nature of predator-prey dynamics in stable communities
The word that described the nature of predator-prey dynamics in stable communities is Cyclic.
What is Cyclic?It should be cyclic since the no of predators should be raised in the ecosystem also the number of prey should be decreased along with time. Here the reduction of prey represents that there are fewer food resources due to which it reduced the preys population. Also, when the predators reduced the no of preys so it begins to recover due to which the population is increased.
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Phytoplankton can gain nutrients from whale poop.
True
False
Answer:
True
Explanation:
Researchers believe rebuilding populations of great whales could significantly increase the vast amount of atmospheric carbon absorbed by tiny marine algae called phytoplankton, which rely on nutrients from the leviathans’ fecal plumes.
(bbc word news)
Answer:
true
Explanation:
What characteristics best describe the process of photosysthesis
Answer:
"Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds."
Explanation:
Which of the following is NOT an example of mechanical digestion? MULTIPLE CHOICE.
A. Amylase breaking down starch in the mouth
B. Churning of food in the stomach
C. Segmentation of food in the small intestine
D. Chewing of food in the mouth
Answer:
C segmentation of food in the small intestine
Explanation:
mechanical digestion occurs only in the mouth and that is the only one that does not occur in the mouth.Even though Both mechanical and chemical digestion occur in the mouth. ... The muscles in the stomach walls churn the bolus (mechanical), allowing it to mix with digestive enzymes and gastric acids (chemical). This process converts the bolus into a liquid called chyme. Digestion continues in the stomach for several hours. so c is the answer
Leah, LaRenda, and Gabi decide to test what factors influence water
absorption by an egg. They remove the shell from 3 eggs by dissolving
them in vinegar. They create three different water solutions. One is pure,
100% distilled water, a second is 50% water/50% corn syrup, and the third
is 100% corn syrup. The mass of each egg is measured before they are put
into a single solution for 24 hours. The mass of the eggs is then measured,
and the data recorded below: Based on the data this group gathered, the
most appropriate hypothesis would be
Answer:
how long well that take
In this experiment, the independent variable they are testing is the type of solution in which the egg is placed.
What is the independent variable?In the data, the independent variables are the factors that do not depend upon the other factors, on the other hand, dependent variables depend on independent variables.
In the experiment they used three different solutions ate three different water solutions. One is pure, 100% distilled water, a second is 50% water and 50% corn syrup, and the third is 100% corn syrup, all are three independent solutions.
The independent variable is the cause which does not depend on any other factor in your study, all the solutions are different mixtures creating different variables.
Therefore, the solutions used for eggs are the independent variable.
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The given question is incomplete, so the most probably the complete question is,
Leah, LaRenda, and Gabi decide to test what factors influence water absorption by an egg. They remove the shell from 3 eggs by dissolving them in vinegar. They create three different water solutions. One is pure, 100% distilled water, a second is 50% water/50% corn syrup, and the third is 100% corn syrup. The mass of each egg is measured before they are put into a single solution for 24 hours. The mass of the eggs is then measured, and the data is recorded below:
In this experiment, the independent variable they are testing is?
Which examples show how DNA technology has been used in medicine?
The hormone testosterone can be produced through genetic engineering.
Pacemakers can help to regulate heartbeats.
Antibiotics like amoxicillin are available all over the world.
Crops can be grown with less water available.
Vaccines can be mass produced from transgenic bacteria.
DONE
Answer:
A, C and E
Explanation:
Genetic Engineering is the process which involves the manipulation of genetic material of an organism to get beneficial traits.
Genetic engineering can be used in the field of medicine to produces hormones( insulin), vaccines, and antibiotics (amoxicillin) et cetera. These substances can be produced in genetically engineered microorganisms by altering their genetic material.
what is job of sperm cells?
Answer:
The function of a sperm is to pass on the necessary biological information required to produce a new organism
what are the forelimbs of a chimpanzee adapted for?what are they adapted for in humans
Answer:
Chimpanzees, the closest living relatives to modern humans, developed numerous adaptations to survive. Their large brains enable complex decision making, social skills, and tool making. Their body adaptations allow for grasping, propulsion and climbing.
Explanation:
Explanation:
The forelimb of a chimpanzee is adapted for climbing trees and swinging fr branch to branch.
The forelimb of a human is adapted for grasping associated with opposable thumb.
Find an everyday product in your home that has at least some synthetic materials. Write a paragraph tracing its lifecycle.
(I don’t care what the product is, the paragraph can have a minimum of 5 sentences.)
Answer:
The everyday product in my home having synthetic material is non-stick pans. it is used in everyday for cooking purpose. The modern non-stick pans have a coating of Teflon (PTFE or polytetrafluoroethylene) and teflon is a synthetic fluoropolymer. it is constitute of many strong carbon-fluorine bonds which allow it resistant to solvents.
The average lifecycle of non-stick pan is five years and your its last days will be seen when the surface starts to peel. It is advice to change the non-stick cookware after few years as it can affect the food and health of a person.
Explain why decomposers are an important part of a food chain.
Answer:
Decomposers are vital to the food chain because they help recycle nutrients back into the system.
Explanation:
Decomposers like fungi and bacteria play most important role. They break down material that are dead or unused and turn them into nutrients in the fields or soil that plants use to grow.
Answer:
Decomposers are the organisms which change over complex materials into less difficult ones, often changing organic materials into inorganic ones. This, in turn, makes those assets available for use by other organisms. Decomposers, then, are crucial to the cycling of supplements in the ecosystem.
How can changes in trophic levels affect an ecosystem’s health and stability?
Answer:
Trophic levels are part of an energy cascade that allows for energy consumption, conservation, and retention.
Explanation:
By altering trophic levels in an ecosystem, there is shift between the readily energy available within one specfic trophic system. If you remove wolves, for instance, normal prey could increase en-masse. In this way, the removal of wolves allows for an energy expansion that increases and accelerates the growth of that prey species. In their growth, they attain their energy from elsewhere, say specific plants off which they eat.
The jet stream occurs in the mesosphere. true or false
Answer:
False
Explanation:
in organisms that reproduce sexually, through what type of cells are mutations passed to offspring
Answer: reproductive cells .
Explanation: (sperm or eggs)
100 POINTS: how is the coronavirus a social issue and who does it affect?
Answer:
It is a social issue because it's causing alot of unemployment and many people are relying on help from the government. As well as to how people do not like being home all the time its the safest place to be rather than possibly contracting the virus.
Explanation:
Hope that helps!
what is the best example of a community
A good community is a cohesive, safe, confident, prosperous and happy place. It is free of poverty and crime, providing a high quality of life for everyone that lives there. It values and promotes open, participative development processes underpinned by a continuous culture of trans-generational learning.
Which of the following is NOT true about adaptation? A. Adaptation helps organisms survive in their environment. B. Adaptation can be a physical change in the organism.
C. Adaptation will always be the same regardless of the environment.
D. Adaptation can lead to evolution over many generations.
Answer:
c
Explanation:
Adaptation is a heritable behavioral, morphological, or physiological trait that has emerged through natural selection to preserve or improve an organism's fitness. Therefore, option (C) is correct.
What is adaptation?The term "adaptation" refers to a behavioral, morphological, or physiological trait that is inherited and has developed as a result of natural selection to maintain or improve an organism's fitness in response to a specific set of environmental conditions. Adaptation can be thought of as a heritable trait.
One useful illustration is the capacity to conceal oneself. Camouflage is an adaptation that helps an organism blend in with its surroundings so that it is not obvious to other organisms in those same circumstances. The organism is also able to protect itself from the hostile environment thanks to its adaptations.
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A hundred years ago there were 350 000 blue whales.
Now there are only about 10 000 blue whales.
Suggest why the blue whale population has decreased.
Answer: The primary threats currently facing blue whales are vessel strikes and entanglements in fishing gear .Also illegal hunting.
Explanation:
Answer:
Blue whales were significantly depleted by commercial whaling activities worldwide. The latest stock assessments of blue whales include data for various stocks, including areas of the North Pacific and western North Atlantic Oceans.
Whaling killed hundreds of thousands of blue whales from the early 1900s until it became illegal in 1966. Blue whales continue to be threatened by boats, anthropogenic noise, pollution with toxic chemicals, climate change (which may affect how the population of krill), and from fishing.
How can we prevent blue whales from extinction?
Adopt. Adopt a whale and help us protect these amazing creatures.
Join. You can join our team and help us save whales and dolphins.
Donate. Your gifts help us take action for whales and dolphins.
Shop. Support WDC by shopping for yourself or a friend.
Hope this helps. Thanks!
The presence of branchial clefts in a human embryo suggests
What is biogeographic isolation
Answer:the separation of members of the same species, a group of organisms that breed and produce offspring that can breed.
Explanation:
For every turn of the citric acid cycle, one molecule of _____________________, four molecules of ___________________________, and one ___________________________molecule are produced.
Answer:
For every turn of the citric acid cycle, one molecule of ATP, four molecules of NADH and one FADH₂ molecule is produced.
Explanation:
"For each turn of the cycle, a molecule equivalent to ATP is produced, and 5 pairs of high-energy electrons are captured by 5 carrier molecules: 4 NADH molecules and 1 FADH2. FAD and FADH2 are molecules similar to NAD+ and NADH, respectively"
Hope this helps
Large-scale evolutionary trends are the result of _____.
-artificial selection
-macroevolution
-phenotypic variation
-microevolution
Answer:macroevolution
Explanation:
Answer: b. macroevolution
Explanation: gradpoint/pearson
Giving brainlist need help ASAP!!!!
Smog is an abiotic factor affecting a biotic factor(s).
This is because smog isn't a living organism so it is abiotic while humans are multicellular organisms so therefore, they are biotic factors.
Smog has a negative effect on many biotic factors.
what activities are ways to reduce the negative impacts humans have on earths resources? select two options.
eroding river banks
moving to urban settings
monitoring air quality
burning fossil fuels
building marine refuges
Answer:
monitoring air quality and building marine refuges
The activities that reduces the negative impacts humans have on earths resources are :
Monitoring air quality ( C ) Building marine ( E )Human activitiesActivities of humans leave both negtive and positive effects on the earth and but to reduce the negtive impacts of humans on earth certain activities such as monitoring air quality which helps to regulate air pollution and also building marine refuges are some the positive human activity that can help reduce the negtive effects of certain human activity.
Hence we can conclude that The activities that reduces the negtive impacts humans have on earths resources are : Monitoring air quality and Building marine.
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Two mammals with the genotype CcEr are crossed. 'C' produces a thick coat of fur and is dominant to 'c', which produces a thin fur coat. 'E' produces brown eyes and is dominant to 'e', which produces red eyes. What fraction of offspring would you except to have both a thin fur coat and brown eyes?
Answer:
3/16 of the kids would be expected to have a thin fur coat and brown eyes.
Explanation:
Use the punnet square method.
The fraction of offspring would you except to have both a thin fur coat and brown eyes is 3/16.
What is Punnett Square?A Punnett square is defined as a helpful tool to help predict variations and probabilities which may come from cross breeding in which plants, animals, even humans interbreed with each other. This is used by biologists for determining the probability of an offspring having a particular genotype.
The information given above is dizygotic cross which is a cross between two individuals having two observed traits which are controlled by two different genes. In this case, the two traits are thick and thin fur coats (C and c, respectively) and brown and red eyes (E and e, respectively).
The expected phenotypic ratio of crossing heterozygous would be 9:3:3:1 which produces
9 Thick fur coat and Brown eyes mammals (9/16 fraction)
3 Thick fur coat and Red eyes mammals (3/16 fraction)
3 Thin fur coat and brown eyes mammals (3/16 fraction)
1 Thin fur coat and red eyes mammals (1/16 fraction)
Thus, the fraction of offspring would you except to have both a thin fur coat and brown eyes is 3/16.
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