A
Cell which is the structure that form surface of trachea
The correct answer is A. They ensure that the ecosystem is not stripped entirely of its vegetation
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Explanation: The reason why these two traits are linked is that the genes responsible for hair and eye color happen to be close together on the same chromosomes. When genes like these are close together, the traits tend to end up coming in pairs (blonde hair/blue eyes, etc.).
Answer:
Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions. There are many types of hormones that act on different aspects of bodily functions and processes.
Answer:
sorry I do not know the answer
Explanation: