D.) A trophic level
This is your answer I hope it helps.
Answer:
They were not justified bc they were only tested on animals
Explanation:
Which cells we don’t see no answer choices to really give a answer
This simple concept describes the process by which cells exchange toxic gases for life-sustaining gases. It also describes how nerve cells are able to send electrical signals to each other cells. Diffusion tells embryonic cells where to crawl and when they have arrived. Diffusion also makes it possible to reduce the loss of body heat to the surrounding environment.
If the number of chromosomes was not reduced before sexual reproduction, any offspring would have too many chromosomes causing genetic defects.
