The difference in beak size between offspring of finches that survived the drought on Daphne Major and the population average before the drought is

A) the response to selection (R) .
B) the selection differential (S) .
C) heritability (H²) .
D) the mutation rate (μ) .

During what stage of mitosis does the nuclear envelope disappear and the chromosomes become distinct?

A) interphase
B) prophase
C) metaphase
D) anaphase
E) telophase

If the total amount of solar energy captured by plants in an ecosystem is 10,000 kilocalories, how much of this energy will be available to the next trophic level?

A) 10,000 kilocalories.
B) 1,000 kilocalories.
C) 100 kilocalories.
D) 10 kilocalories.
E) 1 kilocalorie.

Which carbohydrate-digesting enzyme works in the small intestine?

A) bicarbonate
B) bile
C) salivary amylase
D) pepsin
E) pancreatic amylase

German works councils have the right to information about the firm's financial situation, including investing and marketing plans.

The first haploid cell in the life cycle of a plant is the ____.

A) zygote
B) gamete
C) gametophyte plant
D) spore
E) spore mother cell