Course

Animal Biology

Study Pack

Set 10 Dispersal And Migration

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Question 1

(Multiple Choice)

Free
Which of the following is a hypothesized mechanism to explain dispersal behavior?

A) Magnetoreception
B) Smoltification
C) Competition
D) Imprinting
E) Bicoordinate navigation

Answer

Question 2

(Multiple Choice)

Free
How did Mathieu and colleagues (2010) study dispersal behavior in earthworms?

A) By manipulating the density of individuals
B) By observing multiple natural populations
C) By observing individuals after they experienced a reproductive failure
D) By studying the same individuals over many years
E) By correlating dispersal behavior with ambient temperature

Answer

Question 3

(Multiple Choice)

Free
How is the dispersal behavior of earthworms and water boatmen similar?

A) The behavior of both occurs only in one sex.
B) The behavior of both occurs repeatedly over the lifetime.
C) The behavior of both occurs only in juveniles.
D) The behavior of both is affected by competition.
E) The behavior of both involves geomagnetic orientation.

Answer