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Animals that select mates that are phenotypically similar will have __ when compared with Hardy-Weinberg predictions.

• More homozygotes

• Fewer homozygotes

• Less natural selection

• More mutations

Choose the scientific evidence that supports evolutionary theory. Check all that apply.

• The Fossil Record

• Homologous structures

• The molecular record

• Vestigial structures

Which "alternate" hypothesis might also explain industrial melanism?

• Dark moths emigrate out of polluted areas to escape the pollution.

• Dark moths are more resistant to the toxic effects of pollution than light moths.

• Pollution kills important tree species that peppered moths depend on for egg laying.

• Because dark moths absorb more heat, they are more active and better able to avoid bird predation.

A technique used in dating a rock can be used to accurately predict the age of the fossils occurring in the rocks. This technique involves __.

• Structural geology

• Fossil dating

• Successive rock layering

• Radioactive isotope decay

The phenomenon where one original species diverges into many new species by occupying different habitats within a region is called __.