The maximum population density of a given species that a defined geographical area can sustain over time is known as the:
A) carrying capacity.
B) ecosystem capacity.
C) community capacity.
D) maximum yield.
Answer: A
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Primary production is generally highest in
A. taiga. B. temperate rain forests. C. temperate oceans. D. tropical rain forests. E. tropical oceans.
The fact that cells of genetically uniform population do not have similar phenotypic attributes is called ________ heterogeneity.
A. population B. dissimilar C. quorum D. epigenetic
The serotinous cones of the longleaf pine, Pinus palustris, depend on ________ to release their seeds.
A. sustained rainfall B. daylight C. fire D. extended freezes E. animals
Select the best response to the question. All of the following are functions of the cell membrane EXCEPT: A) maintaining cell shape. B) allowing waste removal from the cell
C)allowing nutrients into the cell. D) protecting the cell from the environment.