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Concepts of Biology

Critical Thinking Questions

Concepts of BiologyCritical Thinking Questions


If a person scatters a handful of plant seeds from one species in an area, how would natural selection work in this situation?


Explain the Hardy-Weinberg principle of equilibrium.


Describe natural selection and give an example of natural selection at work in a population.


Why do scientists consider vestigial structures evidence for evolution?


Why do island chains provide ideal conditions for adaptive radiation to occur?


Two species of fish had recently undergone sympatric speciation. The males of each species had a different coloring through which females could identify and choose a partner from her own species. After some time, pollution made the lake so cloudy it was hard for females to distinguish colors. What might take place in this situation?


How does the scientific meaning of “theory” differ from the common, everyday meaning of the word?


Explain why the statement that a monkey is more evolved than a mouse is incorrect.

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