The Extinct Group of Animals Known as __________ Actually Occupied

question 29

Multiple Choice

The extinct group of animals known as __________ actually occupied an intermediate evolutionary position between reptiles and mammals.

• A) jawed fish
• B) therapsids
• C) reptiles
• D) amphibians

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Definitions:

Cell Movement

The ability of cells to locomote or change position, often critical for processes such as development, wound healing, and the immune response.

Biology

The scientific study of life and living organisms, including their structure, function, growth, evolution, and distribution.

Natural Selection

The mechanism of evolution proposed by Charles Darwin; the tendency of organisms that have favorable adaptations to their environment to survive and become the parents of the next generation. Evolution occurs when natural selection results in changes in allele frequencies in a population. Compare with artificial selection.

Organisms

Living beings that grow, reproduce, respond to external stimuli, and maintain homeostasis.