needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
D. They had to see if this new idea fit the evidence they found in their experiments.
The correct answer would be D, post industrial.
Bacteria, viruses, and fungi are all pathogens that are attacked by the immune system.
Answer:
Explanation:
electrons i believe. That is why an atom has a neutral charge- electrons and protons cancel each other out
