Answer: The Answers are, A: happens all the time, D: can be caused by genetic drift, and E: can be caused by natural selection.
All life on Earth, at heart use a membrane that separates their organism from its environment. For it to stay alive, the organism takes in important materials for making energy, while also shuttling out toxic substances such as waste products. In this regard, water is essential simply because it's a liquid at Earth-like temperatures.
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Answer:
effector
Explanation:If the value is not at the set point or is outside the normal range, the control center sends a signal to the effector. The effector is an organ, gland, muscle, or other structure that acts on the signal from the control center to move the variable back toward the set point.
Answer:
cellular respiration...that's breathing out of humans
and through human activities like burning of fossil fuels...
It suggests that the bone will have equal strength in all directions.