According to my research it’s C: Nucleus
Darwin noticed that there were different kinds of the same species. For example, he studied four different kinds of finches. Each one had a different beak and are different kinds of food. This was the first time genetic diversity had been so obvious to humans.
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migration is brushing hair
putting a puzzle together is trial and error
getting hungry before lunchtime is a conditional response
brushing your hair is a habit
eye blinking is a reflex.
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I think d tell me if im wrong
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Answer:
Mitochondria are double membrane bound cytoplasmic organelles present in most eukaryotic cells. They are responsible for aerobic respiration.
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