is d trust me natural selection is a change over time wich is what the guppy is going
D. natural selection.
natural selection is a concept of evolution and is defined as "the process whereby organisms better adapted to their environment tend to survive and produce more offspring"
The introduction to a predator caused the guppies to evolve to be smaller.
please mark brainliest
The best I have is that the cold air is at the bottom and the warm air is at the top.
Answer: Pioneer Species
Explanation: Because they are part of a hardy species that whom are the first to move to a previously bio diverse steady ecosystem.