Biology, 16.02.2022 14:00 aaminohasan142
Two models for the speed of speciation are based on patterns in the fossil record. Which of the following statements describes the gradual model of evolution? Species steadily diverge from one another. Periods of stasis are punctuated by change. There is absence of intermediate fossils. New species suddenly change.
Answers: 1
Biology, 21.06.2019 14:00
Which of the following statements best describes the relationship between the environment and human health? a. the environment is the only factor that affects human health. b. many aspects of the environment can have an impact on human health. c. human health is impacted by changes in climate. d. the environment has no impact on human health. select the best answer from the choices provided
Answers: 2
Biology, 22.06.2019 00:30
Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?
Answers: 1
Biology, 22.06.2019 02:20
Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?
Answers: 3
Biology, 22.06.2019 12:00
Can a trait be both polygenic and have multiple alleles? explain why or why not.
Answers: 2
Two models for the speed of speciation are based on patterns in the fossil record. Which of the foll...
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