Guided course 06:55Evolution can Occur Via Natural SelectionJason Amores Sumpter2946views62rank1comments
03:28The Theory of Evolution (by Natural Selection) | Cornerstones EducationCornerstones Education684views1rank
Multiple ChoiceWhich of the following is true of natural selection?5529views37rank1commentsHas a video solution.
Multiple ChoiceEvolution through natural selection will occur most rapidly for populations of plants that:2246views27rank1commentsHas a video solution.
Multiple ChoiceCharles Darwin's theory of evolution by natural selection explains all of the following EXCEPT:2750views24rankHas a video solution.
Multiple ChoiceWhich of the following observations and inferences led Charles Darwin to his theory of natural selection as a mechanism for evolution? 1635views
Multiple ChoiceWith evolution as the core theme of biology, we can explain traits shared by organisms as evidence of __________ and traits that differ among organisms as evidence of __________. 783views1rank
Multiple ChoiceWhat is the molecule that is responsible for both the unity and the diversity of life? 757views
Textbook QuestionWhat does it mean to say that a characteristic is heritable? a. The characteristic evolves. b. The characteristic can be passed on to offspring. c. The characteristic is advantageous to the organism. d. The characteristic does not vary in the population.434viewsHas a video solution.
Textbook QuestionCould both the food competition hypothesis and the sexual competition hypothesis explain why giraffes have long necks? Why or why not?618viewsHas a video solution.
Textbook QuestionWhat is 'selected' during natural selection? Explain your answer.511viewsHas a video solution.
Textbook QuestionYou read a blog that states, 'A squid's eye has been perfectly designed to see in the dark depths of the ocean.' Draft a paragraph that responds to the blog's use of the phrase 'perfect design' by citing an example discussed in this chapter.280viewsHas a video solution.
Textbook QuestionSome humans have genes that make them resistant to infection by HIV. Would human populations likely evolve differently in areas of the world where HIV infection rates are high? Explain your logic.425viewsHas a video solution.
Textbook QuestionExplain the role of heritable variations in Darwin's theory of natural selection.391viewsHas a video solution.
Textbook QuestionWhich of the following is not consistent with evolutionary theory? a. All living organisms share a common ancestor; b. The environment affects which organism survives to reproduce; c. Natural selection always favors the same traits, regardless of environment; d. Humans are not necessarily the best adapted organisms.675viewsHas a video solution.
Textbook QuestionExplain what is meant by this statement: Natural selection is an editing mechanism rather than a creative process.322viewsHas a video solution.