B. The brain reacts to excessive dopamine levels by increasing the number of dopamine receptors.
Answer:
Scientist have learned by studying seismic waves that the earth has liquid in its outer core. They also can predict if a earthquake might happen in a spot in the next hundred years or so.
Extinction happens when there is a major climate change, then some species are unable to adapt to those changes, so they become extinct. Extinction basically occurs when species are unable to adapt quickly enough to the environment
Its A enzymes are like a lock and key, if it is changed it wont fit, and they enzyme cant break down the glucose.
Answer:
C. Testes
Explanation:
Testes are only seen in males. It is an organ that produces spermatozoa (male reproductive cells).
