<span>Their Shapes Fit Snugly Together.</span>
Answer:
B. Lipid
Lipids are molecules that include fats, waxes, and some vitamins, among others. Each phospholipid is made up of two fatty acids, a phosphate group, and a glycerol molecule. When many phospholipids line up, they form a double layer that is characteristic of all cell membranes.
I think your answer may be “water” I am sorry if I’m incorrect. Hope it helps.
Answer:
Population density is the number of individuals per unit geographic area, for example, number per square meter, per hectare, or per square kilometer.
Explanation:
The population density of organisms determines how successful they will be and what effects they will have on their environment. In biology, populations are a group of individuals belonging to the same species that live in the same region at the same time.
The pigment of the chloroplast ( only in leaves ) trap the energy ( so the ants wet is pigment in chloroplast or you can say chlorophyll which is the other word for that pigment ) I hope that helped