Ecosystems
Plants
Vocabulary
Changes to Ecosystems
100
Life as we know it cannot be sustained without this element.
What is water?
100
Plants need this to make their own food.
What is sunlight?
100
An animal that eats plants.
What is an herbivore?
100
This causes ecosystems to change very slowly over a long period of time.
What is erosion?
200
This is the reason that all organisms must recycle water.
What is because the earth has a limited supply?
200
Plants take in ___________ from the air and release __________ into the air.
What are carbon dioxide and oxygen?
200
An animal that eats meat.
What is a carnivore?
200
Three examples of how an ecosystem can change very quickly.
What are hurricanes, earthquakes, forest fires, mudslides...?
300
Three visible changes in ecosystems that are warm all the time.
What are changes in sunlight, temperature and rainfall?
300
The name of the process by which plants make their own food.
What is photosynthesis?
300
An animal that eats both plants and animals.
What is an omnivore?
300
Thes best way to prevent erosion.
What is growing/maintaining plants and vegetation to anchor the soil?
400
Five needs of animals that are provided by their ecosystems.
What are food, water, space, warmth and protection from danger?
400
The elements that plants take from the soil.
What are water and nutrients?
400
Organisms like bacteria and fungi that break down plant and animal matter and return their nutrients to the soil.
What are decomposers?
400
Three examples of how humans affect ecosystems.
What are cutting forests, building houses, paving roads...?
500
Five features that are present in all ecosystems.
What are air, water, soil, sunlight and living organisms that interact and depend on one another?
500
Two ways in which plants help the soil.
What are protection from erosion and nourishment through decomposition?
500
The wearing down of an ecosystem's landforms due to wind or water.
What is erosion?
500
Three examples of how humans can help ecosystems.
What are recycling, planting trees, not littering, reduce carbon emissions...?
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