Answer:
sperm cell contains the x or y
Explanation:
please give brainliest
Answer:
D. It has a strong influence on the ecosystem.A keystone species is a non-abundant species in an ecosystem. This species is important for the survival of the ...
Explanation:
Answer:
Bark
Explanation:
The scales on the fish serves as protection for the fish. And the tree bark serves as protection for the tree.
Answer:
the warm water and abundant sunlight in the nertic zone limits the plankton population