The 30 million years ago, because its the closest one to us. Wait is there a picture to it ?
No beacuse the other layer may be to cold or hot for humans to survive in
Blood and lymph are the two circulating fluids in the animal body. Blood belongs to the circulation system whereas lymph belongs to the lymphatic system. Blood contains pigments which carry oxygen. Therefore, blood can be found in different colors in different types of organisms. But, lymph is a colorless fluid. Blood is composed of red blood cells, white blood cells, platelets and a fluid called plasma. Lymph is composed of white blood cells and a watery fluid. Both blood and lymph possess a circulatory function as well as an immune function. The main difference between blood and plasma is that blood circulates inside blood vessels whereas lymph circulates inside lymphatic vessels.
Starfish has a endoskeleton
a coral has a exoskeleton
sponge has neither
Answer:
Chemical energy stored in glucose
Explanation:
