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Community Ecology: Interspecific Interactions

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Community Ecology: Interspecific Interactions

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Questions and Answers

What is a biological community?

A group of organisms competing for the same resources

An assemblage of populations of various species living close enough for potential interaction (correct)

A group of the same species living in an area

A collection of abiotic factors in an ecosystem

Which term describes relationships between different species in a community?

Mutualism

Symbiosis

Interspecific interactions (correct)

Intraspecific interactions

What is interspecific competition?

Competition between different species for a resource in short supply (correct)

Interaction within a species for resources

Cooperation between different species for survival

A form of symbiosis

What does the competitive exclusion principle state?

Strong competition leads to the elimination of a competing species Signup and view all the answers

Which term describes the total use of biotic and abiotic resources by a species?

Ecological niche Signup and view all the answers

How can ecologically similar species coexist in a community?

Through resource partitioning Signup and view all the answers

What is the main difference between the fundamental niche and the realized niche of a species?

Fundamental niche is the potential habitat, while realized niche is where the species actually lives. Signup and view all the answers

What do sympatric populations exhibit more than allopatric populations according to the text?

Character displacement in traits. Signup and view all the answers

Which of the following is NOT a type of defensive adaptation used by prey?

Morphological adaptations like claws and teeth. Signup and view all the answers

What does Batesian mimicry involve?

A harmless species mimicking a harmful one. Signup and view all the answers

The competitive exclusion principle predicts that coexisting species will have what kind of niches?

Identical niches for stable coexistence. Signup and view all the answers

What is the primary purpose of predators' feeding adaptations?

To kill and eat other species. Signup and view all the answers