4311 Unit 7 Quiz

What is the best description for the relationship between pollinators, such as bees, and flowering plants?

• Mutualism

• Commensalism

• Predation

• Competition

What is the effect on population growth of two species in resource competition with each other?

• Positive for one species, negative for the other

• Positive for both species

• Negative for one species, no effect for the other

• Negative for both species

Which of these does NOT stimulate the diversification of colonizing populations within the process of adaptive radiation?

• Geographic isolation

• Access to new ecological opportunities

• Lack of competition

• Large gene pool to be selected upon

Gause's Theorem states that stable populations of two or more species are able to continuously occupy the same niche, True or False?

• True

• False

In the Lotka-Volterra competition model, what does the term" α " (alpha) represent?

• The amount of Species 1's resource that is used by Species 2 in terms of Species 2

• The amount of Species 2's resource that is used by Species 1 in terms of Species 1

• The total carrying capacity of the environment

• The unrestricted growth rate of Species 1

An "n-dimensional hypervolume" describes the...

• Fundamental niche

• Essential niche

• Limiting factor

• Realized niche