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Unit 21 Science Review
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Give an example of a food chain in a pond ecosystem. Make sure to describe how the energy is moving.
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How does matter and energy move from nonliving things to living things in an ecosystem?
Producers use nonliving energy from the sun and matter from air and water to make their own food. Consumers eat producers, so the energy & matter are passed on.
How do decomposers move energy and matter through an ecosystem?
Decomposers break down dead organisms to get energy, releasing waste matter as they do this. This recycles matter in an ecosystem.
How do producers move energy and matter through an ecosystem?
Producers get energy from sunlight to create their own food (glucose). Consumers get energy and matter by eating producers.
The organisms at the top of an energy (food) pyramid are... prey, producers, consumers, OR decomposers?
consumers
Describe how a plant is like a system. Use science vocabulary in your description.
A plant is made of different parts (roots, stems, leaves) that work together to help the plant survive....
What is the main function of roots?
The roots allows plants to get water and nutrients
What will happen to a potted plant if it is sealed inside a clear plastic bag?
It will not survive due to lack of water and air
What MUST plants have to grow (gain matter)?
water and air (let's talk about light)
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