The Answer is Quick energy.
Answer: A niche is the role an organism plays in the ecosystem.
Explanation: A niche also determines how the organism interacts with other organisms in an ecosystem
A. mRNA is made by RNA polymerase, using DNA as a template.
Mitosis is a step...which
further contains 4 steps each..
so the answer should be 4 steps..
mark brainliest if it helps