Their unique physiological adaptations let the crab harvest large clusters of bacteria that grow on the surfaces of hydrothermal vent chimneys. They spend most of their lives in the water heated by the vents, and the crabs are unable to move between vents due to the stark difference in water temperature.
Answer:
What's this I didn't understand it at all!?!?
Answer:
1.Because Mrs. White was disgusted.
2.No
3. Probably
It is the negative feedback mechanism if I’m not mistaken