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Science Test Study Guide
Ecosystems
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they interact.
is all the living and nonliving things in an environment and the many ways
(2) A V^n O U \CX\ \ C»NP) is all the members of one species that live within an area of an ecosystem.
The samFspecies living in the same place at the same time.
(3.) The specific role an organism has in its habitat is called its Q \ C \\(^ _
. (a job)
4. Organisms that cannot make their own food are called ^
5 . Organisms that can make their own food are called 0(^0(111 \ Cf^ P
6. Consumers that get energy by eating only plants are called
7. Consumers that eat only animals (meat) are called (jl Pif^ \ \/0(1^3
8. Consumers that eat both plants and animals are called U\ M f ) t \/0 ("fi ^
( 9 . J The different populations that interact with each other in the same area form a (^.DOrvmUjn VT \A
10. What is the job of a decomposer? J6 |X^l V ClQUl P)
1 1 . Why are decomposers important in the food chain?
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12. When a food chain overlaps with other food chains it is called a
13. What is likely to happen if a population of animals dies of disease? \\^\J
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is a desert considered a system?
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IS.jSuppose there is a decrease hi a population of birds in a community. What might be the best explanation
as to why this is occurring?
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1 6. What do animals need in order to travel through a food chain?
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How do decaying organisms in a swamp help create the next generation of organisms?
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18. ] What is the difference between the niche and the habitat of a desert roadrunner?
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is the main energy source for life on Earth?
20. Name at least three producers.
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21. A food chain starts with an
22. An animal with no natural enemies is called a
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