Hello!
1) A small group of birds arrives from South America.
2) Geographic isolation
3) Changes in gene pool
4) Behaviors from interbreeding
I hope it helps!
I think the answer is due to ph. levels in the soil
Annual plants germinate, bloom, set seed and die all in one year. Biennial plants have a life cycle of two years so they germinate and grow one year, bloom and die the following. Everything which lasts longer than two years is Perennial, which in practical terms usually means it grows and flowers for many years.
Answer: directional selection, disruptive selection and stabilizing selection
Explanation:
Natural selection is when organisms adapt to the environment and pass down these adaptations to their offspring when they breed
The Electrons would need to be in a covalent bond. Covalent means that the electrons are equally shared between atoms.
Please mark as brainliest if this helped you:)))
