Biology, 30.10.2020 21:50 joshuag5365
Question 3 (2 points)
Which of the following scenarios is an example of evolution by natural selection? (2 points)
1. A population of brown birds is nearly wiped out from a volcanic eruption. Most of the surviving birds are red, and after several
generations the population is predominantly red.
II. Lions, cheetahs, and other large predators prey on a population of antelope; the fastest antelope are most likely to escape
predators and live to reproduce.
III. Fertilizer runoff (phosphates) pollutes a nearby pond, where it stimulates over production of algae using up most of the pond's
oxygen and killing off the pond's larger fish,
оа
I only
Oь
Il only
ос
Ill only
Od
I and II only
Оe
II and III only
Answers: 3
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What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?
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Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-
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Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal
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Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
Answers: 1
Question 3 (2 points)
Which of the following scenarios is an example of evolution by natural select...
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