Which of the following best predicts and explains how the male's mean tail length might change over many generations in the group of fish moved to the new small pool? (AKS 40)
A. The mean tail length will increase because the males will compete for females when no predators are present,
O
B. The mean tail length will increase because the males will need to catch new food sources in the new pool,
o C. The mean tail length will decrease because the males will be safe from predators in the new pool.
D. The mean tail length will decrease because the males will have less food to grow tails in the new pool.

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

24. how are vaccines used to keep people healthy?

How did the club fungi get its name? a. it is named for the club-shaped seeds it produces. b. it is named for the way individual species grow together in small groups called “clubs.” c. it is named for the club-shaped area where it produces spores. d. it is named for the club-like mechanism it uses to kill its prey.