Answer:
-lack of food in the area
-more predators
-envirment changes
-over population
Explanation:
Proteins have many important roles in cell function like structural support, biocatalysts, receptors.
It is an explosive cell that is used for protection from predators or prey hunting by the species of the phylum Cnidaria
We have heard about Respiration. In human beings, respiration is a cellular activity which takes place in the presence of oxygen and in result produces carbon dioxide. Jamal model is a clear manifestation of that process. Medulla is the region of a brain that controls the respiration activity. When we breathe we take in oxygen and the excess amount of carbon dioxide is removed from out body.
Brains cells have capability to detect the carbon concentration in blood and add excess amount of carbon from body to the air.
