Biology, 15.01.2020 21:31 mstrish71oteauw
Which of the following best describes a heritable adaptation brought about by natural selection?
a polar bears begin to eat goose eggs as a way to survive when seals, their usual prey, are not available.
b mountain goats restrict their range to higher altitudes because of warmer low-altitude temperatures.
c snowshoe hares change their fur from white to brown to match their warm summer habitats.
d early humans learn to make tools like flint arrows and knives to them hunt more efficiently.
Answers: 2
Biology, 21.06.2019 17:20
The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.
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Which type of landforms forms at the plate boundary as a result of divergent stress
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Which of the following best describes a heritable adaptation brought about by natural selection?
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