1) What is Adaptations? a) Change in physical or behavioral traits to become more suitable for an environment b) An organism's ability to pass its genetic material to its offspring 2) What is Natural Selection? a) Structures in different organisms have different functions b) Charles Darwin's theory that organisms are more adapted to their environment are more likely to survive and pass on genes 3) What are homologus structures? a) Structures in different organisms have different functions b) Human influence on natural selection 4) What is Vestigial Structures? a) Structures that organisms have that are no longer useful and are evidence of a common ancestor b) A method of dating by determining the relative proportions of particular radioactive isotopes 5) What is mass extinction? a) The time required for half of a substance to deteriorate b) The dying out or extermination of many species at the same time 6) What is artificial selection? a) Human influence on natural selection b) The branch of biology that deals with the geographical distribution of plants and animals 7) What is analogous structures? a) A method of dating by determining the relative proportions of particular radioactive isotopes b) Structures that develop individually and perform a common function.

Quiz Unit 9 Evolution

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