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100 Free CLEP Natural Sciences Practice Questions
Start answering now—this free set requires no account or card and covers Evolution, Cells/genes, Organisms plus other key exam domains.
Question 1 / 100
Evolution, Classification, and Biodiversity · Origin and Evolution of Life / Classification
Sharks (fish) and dolphins (mammals) both have streamlined bodies and dorsal fins, yet they descend from very different ancestors. The resemblance evolved independently because both live fast-swimming lives in open water. This pattern is called:
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