The theory of evolution by natural selection gained rapid acceptance among biologists after darwin published it in 1859, in part because it was so successful in explaining what we see in the fossil record. the theory of evolution has gained even further support since that time, because it has successfully passed many other observational tests. which of the following statements represent successful tests of the theory of evolution by natural selection? check all that apply. check all that apply.
1) species often show unique adaptations that are suited to the specific environment in which they live and might be detrimental in other environments.
2) genetic comparisons show that the dna of closely related species is more similar than that of more distantly related species.
3) over time, bacteria tend to acquire resistance to antibiotic drugs.
4) human population has been rapidly growing over the past few centuries. like any scientific theory, the theory of evolution is subject to revision or even to being discarded if future observations do not agree with its predictions.
which of the following hypothetical observations (none of which are real) would force us to reconsider the theory of evolution?
1) the discovery of life on an extrasolar planet that is very different in size and atmosphere from earth.
2) the discovery of microbial life on mars that uses a different genetic molecule than dna.
3) the discovery of fossils of human-like primates dating to a time before the earliest dinosaurs existed.
4) the discovery that there are organisms on earth with genomes quite different from those of known organisms.
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