Answer:
Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. The atom is the smallest and most fundamental unit of matter. ... A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.
Explanation:
The answer is A.
Twins form in one of two ways:
Identical twins occur when a single fertilized egg splits into two.
Fraternal twins occur when two, separate eggs are fertilized by two, separate sperm.
Answer: biodiversity
Explanation: it makes sense as the best answer from all the choices, could be wrong tho lol
B. Sympatric evolution. is responsible to this. It's the process of evolving species from one shared ancestor in the same geographic region.
