Biology
Page 26
30 This question has two parts. First, answer Part A. Then, answer Part B.
Two students give the following presentation to their classmates:
Student 1 starts the presentation by describing members of
one species.
Student 2 adds information about members of another species and
explains that members of both species interact with each other AND
with the abiotic factors in their environment.
Part A
Which are the levels of the biological organization presented by
Student 1 and Student 2 in this presentation?
A
Student 1: Organism
Student 2: Population
B
Student 1: Ecosystem
Student 2: Organism
C
Student 1: Community
Student 2: Population
D
Student 1: Population
Student 2: Ecosystem
Part B
Which statement BEST explains the answer to Part A?
A
Ecosystems consist of all organisms living and interacting in a
given area, and individuals are organisms.
B
An organism is a species, and many species living in the same
area make up a population.
C
A population consists of a group of the same species, and
ecosystems are communities interacting with abiotic factors.
D
Communities consist of organisms, and organisms interacting
with living and nonliving factors in the environment make up a
population.
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