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Biological Adaptations to Environmental Conditions

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Biological Adaptations to Environmental Conditions

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Questions and Answers

What is the primary purpose of endotherms' morphological adaptations in cold environments?

To increase energy expenditure

To increase surface area

To reduce water loss through skin

To maintain body temperature (correct)

What is the driving force behind the evolutionary adaptation of species to their environmental conditions?

Mutation

Gene flow

Genetic drift

Natural selection (correct)

What is the characteristic of mammals from colder climates, according to Allen's rule?

Longer ears and limbs

Increased erythrocyte production

Thicker fur coats

Shorter ears and limbs (correct)

What is the advantage of source–sink metapopulations?

It prevents long-term extinction Signup and view all the answers

What is the characteristic of the spacing pattern of individuals in a population, where they do not interact strongly with one another?

Random spacing Signup and view all the answers

What is the result of a population bottleneck in a metapopulation?

A decrease in the number of dispersers Signup and view all the answers

What is the adaptation of desert frogs that helps them conserve water?

Evolved a greatly reduced rate of water loss through skin Signup and view all the answers

What is the effect of the northward expansion of trees after the glaciers retreated?

An increase in plant and animal populations Signup and view all the answers

What is the reason for the survival of some populations of the Glanville Fritillary Butterfly?

Continual immigration of individuals from other populations Signup and view all the answers

What is the characteristic of the behavioral response of moving from one habitat to another?

Coping with environmental changes Signup and view all the answers