12. Which of the following would exert pressure on a population of squirrels? a. Disease
b. Predators
C. Availability of food
d. All of the above

A3-year-old child with nephrotic syndrome has been receiving prednisone for 1 week. the nurse reviews the child's progress record and determines that the medication has been effective. what information supports this conclusion? select all that apply.

What was the land like over 500 million years ago? what was under the sea?

Explain the significance of the increased cell specialization of the volvocine line