Answer:
Permeability of plasma membrane is the rate of passive diffusion molecules across the biomembrane.
This role would be the organisms niche. None of the other choices make any sense. A nesting site is not a role, a biomass is not a role, and territorial range is not the role an animal has in its community. A niche is an organisms role in its community, how it interacts with the things around it, where it lives and what it does.
To see if the original results are reproducible is the answer
Prophase. This is the first stage of nuclear division
Hope this helps
