Answer:
it increased so fast because as more and more came to be, their genes evolved to allow them to adapt to their surroundings and prededators which allowed them to live longer, strive in the envirnoment and make even more babies.
Explanation:
The correct option is:
B) lipid
Explanation:
A lipid is a biomolecule that is solvable in nonpolar solvents. Non-polar solvents are typically hydrocarbons used to melt another naturally happening hydrocarbon is.Any of a large group of organic mixtures that are oily to the touch and difficult in water. Lipids comprise fatty acids, oils, waxes, sterols, and triglycerides. They are a source of stored energy and are an element of cell membranes.
Answer:
plant leaves contain openings called stomata, which allow the diffusion of gas exchange