BSCS Biology: A Molecular Approach

Chapter 24: Ecosystem Structure and Function

Ecosystem Dynamics

1.
In the carbon cycle, what process releases carbon from the bodies of animals into the air as carbon dioxide?
A)photosynthesis
B)cellular respiration
C)excretion
D)predation
2.
The lack of water in a desert such as this one is called a ____ factor in the productivity of the ecosystem.
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A)limiting
B)reducing
C)devastating
D)dehydrating
3.
_____ is the number of individuals per unit of land area or water volume.
A)logistic growth
B)population density
C)exponential growth
D)carrying capacity
4.
What is the term for a growth pattern that is slowed as various factors limit reproduction?
A)logistic growth
B)exponential growth
C)boom-and-bust growth
D)the predator-prey cycle
5.
The ____ is the largest population of a species that the environment can support.
A)maximum limit
B)population density
C)carrying capacity
D)biosphere
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