Seminiferous tubules is where the perm is created
Answer:
Amoeba cells catch food and move about extending fingerlike projections of a colorless material called protoplasm and are found in decaying bottom vegetation of fresh water streams and ponds
The answer is <span>2 can be made by the animal's body from other substances.
Both essential and nonessential amino acids have essential roles in the organism. Nonessential amino acids got their name because they are not an essential part of the diet. The main difference between these two groups of amino acid is that essential amino acids cannot be made by the animal's body and must be ingested in the diet unlike the nonessential amino acid which can be made by the animal's body.</span>