science
Grade-5
Easy
Question
Animals generate _____ which the plants use.
The correct answer is: Carbon dioxide
Sunlight is the key source of energy in ecosystems. Photosynthesis in plants forms oxygen which animals use for respiration. Further, animals generate carbon dioxide, which plants use.
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Abiotic factors are also known as _____things.
Abiotic factors are also known as _____things.
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Any waste materials can be used by living animals, plants, and other organisms.
Any waste materials can be used by living animals, plants, and other organisms.
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When the energy of the sun converts into chemical energy for photosynthesis or respiration, the result is the loss of energy as heat.
When the energy of the sun converts into chemical energy for photosynthesis or respiration, the result is the loss of energy as heat.
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If we remove a top predator, the food chain will remain the same.
If we remove a top predator, the food chain will remain the same.
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Survival of wildlife is becoming difficult as their natural habitat is being cut down.
Survival of wildlife is becoming difficult as their natural habitat is being cut down.
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Global warming results in the_____ of ice caps.
Global warming results in the_____ of ice caps.
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Which of the following is the definition of a disturbance in an ecosystem?
Which of the following is the definition of a disturbance in an ecosystem?
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Trees take in _____and give out oxygen to nature.
Trees take in _____and give out oxygen to nature.
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Which of the following would be an example of ecological balance?
Which of the following would be an example of ecological balance?
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There needs to be a predator and_____ relationship in order to maintain balance in an ecosystem
There needs to be a predator and_____ relationship in order to maintain balance in an ecosystem
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_____is a gradual increase in the earth’s temperature generally due to the greenhouse effect.
_____is a gradual increase in the earth’s temperature generally due to the greenhouse effect.
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The loss of trees and other vegetation can cause _____change.
The loss of trees and other vegetation can cause _____change.
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_____ can be defined as the large-scale removal of trees from forests (or other lands) for the facilitation of human activities
_____ can be defined as the large-scale removal of trees from forests (or other lands) for the facilitation of human activities
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Non-invasive species significantly modifies or disrupts the ecosystems it colonizes.
Non-invasive species significantly modifies or disrupts the ecosystems it colonizes.
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