Biology, 30.08.2019 02:30, emmajobaby
The same friend asks how long humans can live. the nurse would reply that currently the maximum life expectancy of humans appear to be:
a. 100 years
b. 105 years
c. 110 years
d. 120 years
Answers: 3
Biology, 21.06.2019 22:00, lazavionadams81
Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.
Answers: 2
Biology, 22.06.2019 13:00, mawawakaiii
Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land
Answers: 1
The same friend asks how long humans can live. the nurse would reply that currently the maximum life...
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