Precapillary sphinctersa. serve as valves in veins. b. are found in the tunica media. c. carry blood under high pressure. d. control the blood flow into capillary beds. e. are voluntary structures.

How do you date a sample of rock that you suspect as being one of the earliest on earth

Individuals do not compete directly for resources, but are prey for the same predator

Benito is doing research on the effects of florida's elevation on its climate. his notes include the following: 1. the average elevation of florida is 30 m above sea level. 2. the highest point in florida is britton hill, which is 105 m above sea level. 3. the change in temperature from 0 m to 1,000 m is 7 °c. what can benito conclude about the effects of florida's elevation on its climate? a.) florida typically experiences cold temperatures and temperature changes within a narrow range. b.) florida typically experiences cold temperatures and temperature changes within a broad range. c.) florida typically experiences warm temperatures and temperature changes within a narrow range. d.) florida typically experiences warm temperatures and temperature changes within a broad range.