T rex because he didnt have the arms so his teeth were curved back to keep his prey from escaping.
Microbiology studies organisms too small to be seen with the naked eye
One of the most poplar examples of commensalism is the relationship between cattle egrets and livestock. The cattle egret is a common species of heron that is found in most regions of the world, and is mostly seen moving along with herds of cattle. This bird moves about in pastures, and follows livestock such as cattle and horses.
Answer:
the answer is b. muscular walls of the arteries
Explanation:
Answer:
a gated sodium channels open and sodium ions flood into the cell
