Answer:
Their skeletal structure and possibly how they look but usually not. You can also look at the way they live and the biomes they live in.
Explanation:
Answer:
"study of living things"
Explanation:
biology is mainly comprising the study of living things, how they behave in there environment, there physical anatomy, and there life style
4 is the correct answer hope you get it right!!!
In fact, without information from the innate immune system, the adaptive response could not be mobilized. There are two types of adaptive responses: the cell-mediated immune response, which is controlled by activated T cells, and the humoral immune response, which is controlled by activated B cells and antibodies. hope this helps :D