Table A properties and identities of mineral samples top of chart mineral hardness streak color clevage or fracture luster name of mineral
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table b identites of rock sample name of rock
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Variety of living organisms; includes genetic, species, and ecological types.

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic