The Science Of Nature- Ecosystem Quiz- II

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| By David Prochaska
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David Prochaska
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The Science Of Nature- Ecosystem Quiz- II - Quiz

An ecosystem is made up of animals, plants, and bacteria, as well as the physical and chemical environment they live in. The important thing about ecosystems is that the organisms exchange energy and nutrients among themselves and with the environment. How much do you think you understand about our ecosystem? Take up the test below and get to find out!


Questions and Answers
  • 1. 

    What do the arrows represent?

    • A.

      Water evaporating

    • B.

      Photosynthesis

    • C.

      Energy being transfered

    • D.

      Offpring

    Correct Answer
    C. Energy being transfered
    Explanation
    The arrows in this context represent the transfer of energy. Energy transfer can occur in various forms, such as from one organism to another or from one part of an ecosystem to another. It is an essential process for the functioning of ecosystems and the survival of organisms.

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  • 2. 

    What animal competes with Hawks for mice?

    • A.

      Snakes

    • B.

      Foxes

    • C.

      Rabbits

    • D.

      Both snakes and foxes

    Correct Answer
    D. Both snakes and foxes
    Explanation
    Snakes and foxes both compete with hawks for mice. Snakes are able to catch and eat mice, making them a direct competitor for hawks. On the other hand, foxes also prey on mice, which leads to competition with hawks for this food source. Therefore, both snakes and foxes are competitors of hawks when it comes to hunting mice.

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  • 3. 

    If a farmer put out poison and poisoned all the mice, who might also be poisoned?

    • A.

      Rabbit

    • B.

      Toads

    • C.

      Foxes

    • D.

      Spiders

    Correct Answer
    C. Foxes
    Explanation
    If a farmer puts out poison to kill mice, other animals that might also be poisoned are foxes. Foxes are predators of mice and may consume the poisoned mice, resulting in them also being poisoned. This is because foxes often prey on small mammals like mice as a part of their diet. Therefore, if the mice are poisoned, the foxes that eat them may also be affected by the poison.

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  • 4. 

    Who competes for spiders?

    • A.

      Insectivorous birds and predaccous insects

    • B.

      Mice and plants

    • C.

      Toads and rabbits

    • D.

      Herbivorous insects and toads

    Correct Answer
    A. Insectivorous birds and predaccous insects
    Explanation
    Insectivorous birds and predatory insects compete for spiders. Insectivorous birds feed on insects, including spiders, as a source of food. Predatory insects, on the other hand, also prey on spiders as part of their diet. Both these groups of animals rely on spiders as a food source, resulting in competition for this prey.

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  • 5. 

    Who would compete with the birds for space to live?

    • A.

      Mice

    • B.

      Foxes

    • C.

      Hawks

    • D.

      Squirrels

    Correct Answer
    D. Squirrels
    Explanation
    Squirrels would compete with the birds for space to live. Both birds and squirrels typically inhabit trees and wooded areas, and they may compete for nesting sites and food sources such as nuts and seeds. Squirrels are known to chase away birds from their territory and may even steal eggs or young birds from nests. Therefore, squirrels can be considered as competitors for birds when it comes to living space.

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  • 6. 

    Which diagram shows how energy flows through a food chain?

    • A.

      Producers carnivores herbivore

    • B.

      Sun producers herbivores carnivores

    • C.

      Sun herbivores carnivores producers

    • D.

      Carnivores producers herbivores

    Correct Answer
    B. Sun producers herbivores carnivores
    Explanation
    The correct answer is "Sun producers herbivores carnivores". This diagram represents the flow of energy in a food chain. The sun provides energy to the producers (plants), which are then consumed by herbivores (plant-eating animals). The energy is then transferred to the carnivores (meat-eating animals) when they consume the herbivores. This diagram accurately depicts the sequential flow of energy from the sun to the different trophic levels in a food chain.

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  • 7. 

    Which things below are not part of a tree’s niche?

    • A.

      Provide shelter for birds and squirrels

    • B.

      Provide food for decomposers

    • C.

      Provide food for lions

    • D.

      Provide oxygen for animals

    Correct Answer
    C. Provide food for lions
    Explanation
    A tree's niche refers to its specific role or function in its ecosystem. Trees provide shelter for birds and squirrels, as well as food for decomposers and oxygen for animals through the process of photosynthesis. However, providing food for lions is not typically part of a tree's niche. Lions are carnivores and primarily feed on other animals, not plants like trees.

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  • 8. 

    What is not part of a decomposer's niche?

    • A.

      A. feed decaying plants and animals

    • B.

      B. fix nitrogen for plants to use

    • C.

      C. keep the community clean by breaking down dead things

    • D.

      D. provide carbon dioxide for plants

    Correct Answer
    A. A. feed decaying plants and animals
    Explanation
    Decomposers play a crucial role in ecosystems by breaking down dead organisms and organic matter, recycling nutrients back into the environment. They do this through the process of decomposition, which involves breaking down complex organic compounds into simpler forms. While decomposers do feed on decaying plants and animals, this is not the only part of their niche. Decomposers also help in fixing nitrogen for plants to use, keeping the community clean by breaking down dead things, and providing carbon dioxide for plants. Therefore, feeding decaying plants and animals is not the only function of a decomposer's niche.

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  • 9. 

    How does the fixed nitrogen that plants need to get to the soil?

    • A.

      A. Animal’s solid and liquid waste

    • B.

      B. The nitrogen in the air is dissolved into the soil

    • C.

      C. Decomposers decay plants and animals and release it

    • D.

      D. Plants that produce it during photosynthesis

    • E.

      E. Both answers A and C

    Correct Answer
    E. E. Both answers A and C
    Explanation
    Both answers A and C are correct. Animals excrete solid and liquid waste that contains nitrogen, which can be absorbed by plants as a source of fixed nitrogen. Decomposers break down dead plants and animals, releasing nitrogen into the soil in a form that plants can use. Therefore, both animal waste and decomposition contribute to the availability of fixed nitrogen in the soil for plants.

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  • 10. 

    What gas do plants take in?

    • A.

      Oxygen

    • B.

      Carbon dioxide

    • C.

      Nitrogen

    Correct Answer
    B. Carbon dioxide
    Explanation
    Plants take in carbon dioxide. During the process of photosynthesis, plants take in carbon dioxide from the air through tiny openings called stomata on their leaves. They use this carbon dioxide along with sunlight and water to produce glucose and oxygen. The glucose is used as a source of energy for the plant, while the oxygen is released back into the atmosphere as a byproduct. Therefore, carbon dioxide is essential for the survival and growth of plants.

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  • 11. 

    What gas to animals breathe in?

    • A.

      Oxygen

    • B.

      Carbon dioxide

    • C.

      Nitrogen

    Correct Answer
    A. Oxygen
    Explanation
    Animals breathe in oxygen because it is essential for their survival. Oxygen is required for the process of respiration, where it is used to break down food molecules and release energy. This energy is then used by the animal for various bodily functions. Carbon dioxide and nitrogen are also present in the air, but animals do not primarily rely on them for respiration. While animals do produce carbon dioxide as a waste product, they need to inhale oxygen to maintain their metabolic processes and stay alive.

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  • 12. 

    What cycle shows how gas is transferred between animals and plants?

    • A.

      Carbon

    • B.

      Nitrogen

    • C.

      Water

    • D.

      Life

    Correct Answer
    A. Carbon
    Explanation
    The cycle that shows how gas is transferred between animals and plants is the carbon cycle. This cycle involves the exchange of carbon dioxide between the atmosphere, plants, and animals. Plants take in carbon dioxide during photosynthesis and release oxygen, while animals breathe in oxygen and release carbon dioxide through respiration. This continuous exchange of gases helps maintain the balance of carbon in the environment.

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  • 13. 

    What cycle shows how plants get their needed nutrients?

    • A.

      Water

    • B.

      Life

    • C.

      Carbon

    • D.

      Nitrogen

    Correct Answer
    D. Nitrogen
    Explanation
    Nitrogen is an essential nutrient for plants, and the nitrogen cycle shows how plants obtain this nutrient. This cycle involves various processes such as nitrogen fixation, nitrification, assimilation, and denitrification. Nitrogen fixation converts atmospheric nitrogen into a usable form for plants, while nitrification converts ammonia into nitrate. Assimilation involves the uptake of nitrate by plants to build proteins and other nitrogen-containing compounds. Finally, denitrification returns nitrogen back to the atmosphere. Therefore, the nitrogen cycle is the cycle that shows how plants get their needed nutrients.

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  • Current Version
  • Dec 04, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 14, 2009
    Quiz Created by
    David Prochaska
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