True or false: The somatosensory association area can tell the difference between the feel of a marble and a coin because those texture and shape differences have been previously stored.

Environmental science are unconsidered with methods to preserve natural resourcesa. trueb. false

How does photosynthesis show the conservation of mass and energy?

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.