Biology, 28.02.2021 01:50 niescarlosj
As an environment changes, and some organisms have a higher fitness than others, natural selection acts directly on
a. existing variations.
b. genetic material.
c. acquired traits.
d. individual organisms.
Answers: 1
Biology, 22.06.2019 11:30
What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.
Answers: 1
Biology, 22.06.2019 12:40
Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .
Answers: 1
As an environment changes, and some organisms have a higher fitness than others, natural selection a...
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