Multiple Choice
These shorebirds illustrate niche partitioning;each species has a specialized bill that permits it to feed in ways that reduce competition with other shorebirds living in the community.How might a biologist explain niche partitioning?
A) Birds with compatible adaptations eventually find one another and establish mature communities.
B) By sharing a resource,each species is less abundant than if it were alone;natural selection will eventually produce a shorebird that can exploit the entire food resource.
C) These birds are coevolving;the adaptations each displays represent the response to directional selection pressure created by their competitors.
D) Highly diverse communities are more stable than those with low diversity;given enough time,the evolution of adaptations that reduce competition would be expected.
Correct Answer:

Verified
Correct Answer:
Verified
Q13: The living corals in tropical reefs have
Q14: The inhabitants of an aquarium,despite its small
Q26: The observation that some organisms live in
Q27: The process that establishes new communities and
Q31: Milkweed is a mildly toxic plant unless
Q69: Despite its parasitic lifestyle and negative impact
Q73: Interactions among organisms are always mutually beneficial.
Q80: Cowbirds lay their eggs in the nests
Q91: Which of the following is most likely
Q100: Competition is an unavoidable consequence when two