population is called: 15. A chan B) evolution D) natural selection ge in the gen
ID: 192426 • Letter: P
Question
population is called: 15. A chan B) evolution D) natural selection ge in the genetic makeup of A) artificial selection C) uniformitarianism. 16. Lezodonta, and a 16. Currently, two extant elephant species and Y) are placed in the genus statement should be true? A) Species X and Y share a common ancestor that is still extant (in other words, not yet extinct). B) Species X and Y are not related to species Z C) Species X and Y are the result of artificial selection froem an ancestral species Z. D) Species x Y, and Z share a common ancestor, but nothing more can be claimed than this. E) Species X and Y with species Z 7. thus's 17. Which of Darwin's ideas had the strongest connection to Darwin having read Mal essay on human population growth? A) that the ancestors of the Galápagos finches had come from the South American mainland B) the ability of related species to be conceptualized in "tree thinking C) descent with modification D) struggle for existence E) variation among individuals in a population 18. Which of the following is an excellent example of artificial selection? 18. A) green tree frogs that blend perfectly into their leafy surroundings B) the ability to gain muscle mass by using steroids C) the many different breeds of domestic cats D) cheetahs that can outrun their prey E) all of the above 19. Inheritable mutations in the genes of an individual arise due to: 19. A) environmental change. B) random chance C) other species in the environment. D) artificial selection. E) vigorous exercise or effort. 20. The role that humans play in artificial selection is to 20. A) determine who lives and who dies. B) train organisms to breed more successfully C) create the genetic variants, which nature then selects D) perform artificial insemination. E) choose which organisms breed, and which do not.Explanation / Answer
15.bevolution
16.b
17.d.struggle for existence
18.c1
19.a.environmental chsnge ex..ultraviolet rays causes thymidine dimer formation
20.d