Biology, 05.12.2019 21:31 haleybain6353
Anew organism is discovered in the forests of costa rica. scientists there determine that the polypeptide sequence of hemoglobin from the new organism has 72 amino acid differences from humans, 65 differences from a gibbon, 49 differences from a rat, and 5 differences from a frog. these data suggest that the new organism is more closely related to: . gibbons than to ratsb. frogs than to humansc. rats than to frogs. d. humans than to rats. e. humans than to frogs
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Biology, 21.06.2019 16:30
7th grade question (easy) look at the diagram of the food web. the arrows mean eaten by. what would happen if the number of snakes went down? answer choices are in the image.
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Biology, 21.06.2019 22:00
Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.
Answers: 2
Biology, 22.06.2019 02:50
Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays
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Biology, 22.06.2019 03:50
What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cellaβs eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen
Answers: 1
Anew organism is discovered in the forests of costa rica. scientists there determine that the polype...
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