The main purpose is communication. like when you stub your toe , your nervous system communicates to your brain to react and have pain
Answer:
Natural selection
Explanation:
Natural selection occurs when one allele (or combination of alleles of different genes) makes an organism more or less fit, that it is able to survive and reproduce in a given environment. If an allele reduces fitness, its frequency will tend to drop from one generation to the next.
Answer:
1. Birds in the chaparral biome have adapted to living (C)on the ground.
2. The aromatic oils of chaparral shrubs: All of the above
Explanation:
1. birds are adapted to live on the ground and prey during night time.
The answer you are looking for is called Serotonin. Please put this as the brainiest answer thank you and hope this helped.
Answer:
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