The first organisms to appear in an area undergoing succession are known as the pioneer species. These organisms lead to a more biodiverse steady-state ecosystem.
The feedback loops communicate with the body to ensure homeostasis.
Answer is A. Feedback Loops
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The pituitary gland and the hypothalamus, located at the base of your brain, control the production of your male hormones and sperm.
Answer:
the skin,hair,naios,glands and nerves