Author Question: The key difference between natural selection and selective breeding is that selective breeding is: ... (Read 172 times)

ereecah · **on:** Jun 22, 2018

The key difference between natural selection and selective breeding is that selective breeding is:

a. Dangerous.
b. Always based on value judgments.
c. Energy intensive.
d. None of the above.

Question 2

Our bodies' lack specialized physiological mechanisms for retaining potassium because:

a. It is not essential to life.
b. Is commonly found in plant foods, particularly fruits.
c. Is commonly found in meat.
d. Both a & b.