The two classic, walnut-looking hemispheres that cover the rest of your brain like a mushroom cap on its stalk is called the
A) Cerebrum
B) Midbrain
C) Cerebellum
D) Brain Stem

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

How do specific cell structures and organelles contribute to maintaining homeostasis in the cell?