Plants in the division anthophyta appeared during the
a. paleocene
b. cretaceous
c. triassic
d. jurassic

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Which level of consumer had access to the smallest apply of energy

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only