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Biological Invasions and Species Interactions Quiz

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Biological Invasions and Species Interactions Quiz

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Questions and Answers

What is the main idea behind the enemy release hypothesis?

Species will spread faster when they are taller in their introduced ranges

The spread of invasive species is facilitated by the absence of their natural enemies (correct)

Species will spread more easily when they are on larger islands

Species are more likely to spread when they are closer to their source area

Why are some plant species taller in their introduced ranges?

Because they are more competitive in their new environment

Because they are free from their traditional parasites (correct)

Because they are on larger islands

Because they are closer to their source area

What is the main theory developed by Wilson of Harvard to explain the uneven distribution of species?

Enemy Release Hypothesis

Parasite Release Theory

Island Biogeography Theory (correct)

Species Spread Theory

What is the balance between, according to Island Biogeography Theory, that determines the number of species on an island?

The rate of species colonization and the rate of species extinction Signup and view all the answers

What is the term for the distribution of natural communities and ecosystem by an increase in distribution and abundance of alien species outside their native range?

Biological invasion Signup and view all the answers

Which of the following is a prediction of Island Biogeography Theory?

Larger islands will have more species than smaller islands located at similar distances from the source area Signup and view all the answers

Who is considered the modern founder of the science of biological invasions?

Charles Elton Signup and view all the answers

What is the main idea behind the Enemy Release Hypothesis?

Invasive species are less impacted by enemies in their new environment Signup and view all the answers

What is the result of species colonizing new geographic regions that are disjunct from their existing population?

Biological invasion Signup and view all the answers

What is the basis for biocontrol programs?

Enemy Release Hypothesis Signup and view all the answers

Why do invasive species tend to compete more successfully with native species in their invasive environment?

Because they are freed from parasites that kept their growth in check in their native environment Signup and view all the answers