(What's wrong with Timothy) The doctor didn't mention cortisol, but it should also follow a similar feedback loop. Sketch a feedback loop that includes the hypothalamus, pituitary, adrenal glands, and cortisol?

Drag each label to the correct location in the equation. not all tiles will be used. the density of mercury is 13.6 grams per cubic centimeter. complete the steps for converting 13.6 g/cm3 to kg/m3. (1 kg = 1,000 g, 1 m3 = 106 cm3)

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.

Astudent constructs a venom diagram to compare the organelle last in plant and animal cells which organelle should be listed under “both” in the diagram?