Select all that apply. Which statements about Archaea are true?
Archaea are able to live in high concentrations of salt water.
n Archaea are commonly found in your body, your food, and your home.
If you get food poisoning, you can most likely blame Archaea.
Archaea can be found at the bottom of the sea.

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.