题目内容
(请给出正确答案)
提问人:网友yuanst
发布时间:2022-01-07
[主观题]
An introductory sentence to a brief summary of the passage is given below. Complete th
e summary by adding the THREE answer choices that express the most important ideas in the passage. Some answer choices do not belong in the summary because they express ideas that are not given in the passage or are minor ideas in the passage. This question is worth 2 points. Natural selection is the name given by Darwin to the process whereby new species evolve over time as individuals with useful traits survive and reproduce, passing those traits on to new generations. ____________ ____________ ____________ Answer Choices 1. Darwin believed that natural selection favored organisms that had traits that could help them find food and survive predator attacks and environmental pressures. 2. Darwin explained advanced traits that did not seem to affect an organisms survival as being characteristics useful in finding a mate. 3. Moths near industrial centers evolve dark coloration when the trees in which they live are blackened by pollution from nearby factories. 4. Recently, scientists have expanded the idea of natural selection to include traits that benefit the species as a group, even when those traits seem harmful to the particular individuals who possess them. 5. The peacocks colorful tail feathers are meant to attract peahens, which view the bright colors involved in the display as a sign of the males good health. 6. Religious groups opposition to evolutionism has led some schools to reconsider teaching it, even though it is an established scientific theory with much evidence to prove it.
Wegener based the theory of Continental Drift on all of the following observations EXCEPT
A.opposition of climates.
B.fit of continents.
C.similarities of living animals.
D.similarities in rocks and ic
简答题官方参考答案
(由简答题聘请的专业题库老师提供的解答)
查看官方参考答案