The most critical phase is introduction
I believe the answer is genetic variability
Atoms vs. Ions. Atoms are neutral; they contain the same number of protons as electrons. By definition, an ion is an electrically charged particle produced by either removing electrons from a neutral atom to give a positive ion or adding electrons to a neutral atom to give a negative ion.
Brainliest please? I need it to level up.
Answer:
homologous structures.
Explanation:
If two organisms look very similar during their early stages of development, this is evidence that the organisms. evolved from a common ancestor.
