13. Two species arise from a common ancestor. Which process has occurred? a. Convert evolution b. Divergent evolution c. Allopatric speciation d. Sympatric speciation e. Coevolution 14. Which relationship is an example of commensalism? a. Barnacles on a whale b. Bacteria in a termite stomach c. Fleas on a cat d. Tapeworms in a human e. Wolves hunting a deer 15. Which of the following describes the biotic potential of a population? a. Greatest number of organisms b. Greatest birth rate c. Greatest growth rate d. All of the above e. None of the above

13. Two species arise from a common ancestor. Which process has occurred? a. Convert evolution b. Divergent evolution c. Allopatric speciation d. Sympatric speciation e. Coevolution 14. Which relationship is an example of commensalism? a. Barnacles on a whale b. Bacteria in a termite stomach c. Fleas on a cat d. Tapeworms in a human e. Wolves hunting a deer 15. Which of the following describes the biotic potential of a population? a. Greatest number of organisms b. Greatest birth rate c. Greatest growth rate d. All of the above e. None of the above

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter18: Evolution And The Origin Of Species

Section: Chapter Questions

Problem 8RQ: Which situation would most likely lead to allopatric speciation? Flood causes the formation of a new...

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An animal breeder, attempting to cross a llama with an alpaca for finer wool, found that the hybrid offspring rarely lived more than a few weeks. This outcome probably resulted from: a. genetic drift. b. prezygotic reproductive isolation. c. postzygotic reproductive isolation. d. sympatric speciation. e. polyploidy.
Which of the following ideas is not included in Darwins theory? a. All organisms that have ever existed arose through evolutionary modifications of ancestral species. b. The great variety of species alive today resulted from the diversification of ancestral species. c. Natural selection drives some evolutionary change. d. Natural selection preserves advantageous traits. e. Natural selection eliminates adaptive traits.
The wings of birds, the legs of pigs, and the flippers of dolphins provide examples of: a. vestigial structures. b. homologous structures. c. acquired characteristics. d. artificial selection. e. uniformitarianism.
1. What role did plate tectonics play in speciation? Group of answer choices a.reshaped the environment in which species lived b.introduced new diseases into populations c. changed the genes in individuals 2. Approximately how old is earth? Group of answer choices a. about 7000 years old b. about a million years old. c. about 4.567 billion years 3. Who is considered the inventor to taxonomy? Group of answer choices a.Crick b.Linnaeus c. Darwin 5. What is the difference between anaology and homology? Group of answer choices a.An anology would be a birds wings and a human arm. b.An example of anology would be a birds wings and a moths wings. c.An anology would be a birds legs and a human leg. 6. What is an example of microevolution? Group of answer choices a.Anole lizards getting stickier feet to live in the city. b.The population of anoles being wiped out because of the city. c. The anoles lizards interbreeding with a different species of…
6: The tails of dolphins and whales are considered analogous to fish tails because ... Group of answer choices A: Both answers are true B: they are the result of convergent evolution to a similar environment. C: No answers are true D: they are not the result of a close ancestral relationship.
6. It according to evolutionists, which is the best test to show the relatedness of two organisms? * a. Similarity in development b. Similarity in courting behavior c. Similarity in structure d. Similarity in Genomic DNA
4. Which of the following is an example of convergent evolution? Group of answer choices a. A population of finches becomes separated in the Galapagos Islands and begins to develop into two different species of finch b. Two different species of plants in separate deserts evolve a similar waxy outer cuticle to preserve water c. One species of lizard evolves a green coloration to blend in with its tropical forest surroundings, whereas another species evolves a tan coloration to blend in with its desert surroundings d. Because they share a recent common ancestor, Lions and Bengal Tigers both have retractable claws for catching prey e. Melanic moths begin to lose pigment in their wings as the environment becomes less polluted 6. Which of the following scenarios is an example of stabilizing selection? Group of answer choices a. A population of sharks is evolving towards the average body size; small sharks fall prey to killer whales, large sharks can't get…
Medical advances now allow many people who suffer from genetic diseases to survive and reproduce. These advances: a. refute Darwins theory. b. support Lamarcks theory. c. disprove descent with modification. d. reduce the effects of natural selection. e. eliminate adaptive traits
Which of the following statements about evolutionary studies is not true? a. Biologists study the products of evolution to understand the processes causing it. b. Biologists design molecular experiments to examine evolutionary processes operating over short time periods. c. Biologists study the inheritance of characteristics that a parent acquired during its lifetime. d. Biologists study variation in homologous structures among related organisms. e. Biologists examine why a huge variety of species may inhabit a small island cluster.
Which situation would most likely lead to allopatric speciation? Flood causes the formation of a new lake A storm causes several large trees to fall down A mutation causes a new trait to develop An injury causes an organism to seek out a new food source.
Which of the following is not a component of Darwins theory as he understood it? a. Some individuals in a population survive longer than others. b. Some individuals in a population reproduce more thanothers. c. Heritable variations allow some individuals to compete moresuccessfully for resources. d. Mutations in genes produce new variations in a population. e. Some new variations are passed to the next generation.
Which of the following does not contribute to the study of evolution? a. population genetics b. inheritance of acquired characteristics c. the fossil record d. DNA sequencing e. comparative morphology