D). Carcinogens are chemical factors in an organism's environment that can cause spontaneous mutation.
The correct answer is false. Extinction of organisms is not solely cause by man. Even way before, extinction is already happening. It can be caused by natural or human causes. Natural causes includes volcanic eruptions, earthquakes, floods, etc.
Active transport.
Passive transport, being its opposite, requires no energy at all. Therefore, active transport would require energy or ATP in order to move across.
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Yes, without homeosatasis a human cannit survive. In order to live we must have a stable internale enviroment
