4 7. Which event in life\'s diversification happened first? A. evolution of mito

Question

4 7. Which event in life's diversification happened first? A. evolution of mitochondria B. evolution of baleen C. occurrence of Homo sapiens D. evolution of terrestrial plants 4 8. Which set of scientists are primarily known for examinations of fossils leading to the postulation of extinction as a process associated with life's diversity? A. Mary Anning and Georges Cuvier B. Charles Lyell, James Hutton and William Smith C. Charles Darwin and Alfred Wallace 4 9. What is stratigraphy? A. The philosophy for how natural processes that exist now are different than the past. B. Studying layers of the earth's crust reveals passage of time C. All types of species originated in volcanoes D uniformae oniginated abitats 50. 10. Natural selection A does not alter frequency of alleles in a population. B. requires natural resources to be unlimited. C. relates to how some individual variation is heritable. D. relates only to genotype, not phenotype. E. all of the above When an allele undergoes fixation through positive selection, what percentage does it represent within the population? A.096 B.2S% C. 50% D. 100% s1 11: 52. 12 If two individuals mate, both of them heterozysous at a locus (odminant and one recessive allele), what will be the outcome? A A. The offspring will be either heterozygous, or homozygous for the recessive allele. B. The offspring will be either homozygous for the dominant allele, heterozygous, or homozygous for the recessive allele. C. The offspring will not evolve, because they will carry the same sets of alleles as the parents D. The recessive allele eventually will become the dominant allele in the population. E. None of the above. 53, 1f the heritability of a trait in a population is high A. few individuals have the trait B. most of the phenotypic variation for the trait in the population is due to environmental differences experienced by individuals C. most of the phenotypic variation for the trait in the population is due to genetic differences among individuals

Explanation / Answer

Ans 7 : ( A ) evolution of mitochondria

Ans 8: ( C ) charles darwin and alfered wallace

Ans 9 : (B ) studying layers of the earth's crust reveals passage of time.

Ans 10: ( C ) relates to how some indivisual variation is heritable

Ans 11: ( D ) 100%

Ans 12: ( A )

Ans 13: ( C )

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