<span>A key difference between active transport and diffusion is that active transport needs energy</span>
B - When many individuals of the same species are available for mating.
And
C - When the individuals live in a stable environment in which they thrive.
I would say C but I’m not too sure.
Answer: Colonial organisms are the result of many identical individuals joining together to form a colony. These cells are partly dependent on each other to start with. But, later evolutionary events resulted in the obligatory relationships among them resulted in multicellularity.
The answer would be D. Empiricality. Scientific Method can not, and will not deal with studies that are either for logic or for theism. This field may be beyond the scientific confirmability, meaning, it can not be proven by science, one example of this is the existence of a primary mover, or a God.