How might a human muscle protein differ from a horse muscle protein molecule?

Ineed to know why d is the correct answer asap

Which describes a grizzly bear’s habitat?

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.