How Do Organisms Compete And Survive In An Ecosystem?

11 Questions  I  By MaryCalvert
5th grade science, chapter 6 lesson 1, Ecosystems and Change

  
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1.  All of the organisms in one kind of ecosystem are called a/an  _________________________.
A.
B.
C.
D.
2.  Populations living and interacting with one another form a/an ___________________________.
A.
B.
C.
D.
3.  The challenge each population faces to meet its need for food, water, shelter, and space is called ________________________.
A.
B.
C.
D.
4.  A characteristic that helps an organism survive and compete in an ecosystem is a/an _________________________.
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B.
C.
D.
5.  Something that limits the size of a population is called a/an  ___________________________.
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B.
C.
D.
6.  A relationship between different kinds of organisms that helps each of them meet basic needs is called ___________________________.
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B.
C.
D.
7.  The kind of symbiosis inwhich both organisms benefit is called _________________________.
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B.
C.
D.
8.  The kind of symbiosis in which only one organism benefits and the other isn't affected is called ____________________________. 
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B.
C.
D.
9.  The kind of symbiosis in which one organism benefits, but the other is harmed is called ___________________________.
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B.
C.
D.
10.  An animal that eats other animals is called a ___________________________.
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B.
C.
D.
11.  Animals that are eaten by other animals are called ___________________________.
A.
B.
C.
D.
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