The heart, liver, and stomach are each examples of
a. a tissue.
b. an organ system.
c. a nerve.
d. an organ.

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.