Diffusion allows the exchange of substances; the entry of oxygen, proteins, etc into the cell and the removal of waste substances.
D. before cells without a true nucleus
Answer:
Biogeochemical cycle, any of the natural pathways by which essential elements of living matter are circulated. The term biogeochemical is a contraction that refers to the consideration of the biological, geological, and chemical aspects of each cycle.
Insects has a broad range of species and they are able to easily adapt according to their surroundings, hence increasing their survivability rate
I think it is Authority hope this helps
