It is d because pesticides run off into water, they are absorbed into soil , and they are left in the air , hope this helps :)
Answer:
Answer-(C)
Explanation:
Endosperm and female gametophyte is the plant tissue that have high nutritional value. The function of endosperm is to protect the embryo and gives all the essential nutrient to the embryo.
I think it’s the first one parasitism...
B). A population changes in response to a change in the environment.
Answer:
Digestive enzymes of diverse specificities are found in the saliva secreted by the salivary glands, in the secretions of cells lining the stomach, in the pancreatic juice secreted by pancreatic exocrine cells, and in the secretions of cells lining the small and large intestines.
HOPE THIS HELPED!!!!!!!!!XDDD