b. commensalism
d. coyote is at the top of that chain so it gets the least energy
c. mistletoe is a parasite. the other options aren't symbiotic relationships
It is useful for an ecologist to identify the keystone species in an ecosystem because the keystone species is important to maintaining the stability of an ecosystem, and any changes in the keystone species population shows that there is changes in ecosystem health.
The answer is binary fission
The genotypic ratio of their offspring is 100% Ee.
Hope this helps! God bless
-vf
Answer:
the correct answer is the equator
