Partial reinforcement schedules occur in a variety of environments both natural and man-made—they may be purposefully devised or be merely coincidental. There are differences in rates of extinction produced by CRF (relatively rapid) and PRF (relatively slow) schedules of reinforcement. Explain how resistance to extinction (slow extinction) is adaptive for wild animals (and maybe humans too)—how does this better enable them and us to survive?

The majority of sulfur dioxide produced by industry comes from a. oil refineries. b. dry cleaners. c. chemical plants. d. coal-burning power plants.

Which of these organisms have the greatest amount of cell specialized

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.