Glencoe Science Level Blue

Chapter 4: Interactions of Life

Standardized Test Practice

1
All the organisms of the same species living in an area at the same time make up a
A)community.
B)population.
C)ecosystem.
D)habitat.
2
Which of the following terms specifies the place where an organism lives?
A)biosphere
B)habitat
C)community
D)ecosystem
3
The largest number of individuals of one species that an ecosystem can support over time is its
A)carrying capacity.
B)limiting factor.
C)competition limit.
D)sample count.
4
The green plants growing around a pond are
A)consumers.
B)decomposers.
C)producers.
D)saprophytes.
5
Based on the information in the diagram, you can deduce that the organism represented by the "?" is a(n)

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A)carnivore.
B)decomposer.
C)herbivore.
D)omnivore.
6
What does the diagram show?

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A)a food web
B)the biosphere
C)a population
D)a symbiotic relationship
7
Which of the following organisms in the diagram compete for the same food source?

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A)deer and snake
B)eagle and mouse
C)owl and deer
D)fox and snake
8
Which of the following is not part of an organism's niche?
A)how it digests food
B)how it avoids danger
C)how it finds a mate
D)how it obtains shelter
9
A puppy infected with roundworms is an example of
A)competition.
B)parasitism.
C)commensalism.
D)mutualism.
10
Which of these tends to decrease the size of a population?
A)more births than deaths
B)more movements into an area than out of an area
C)plentiful food supplies
D)lack of rain
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