Picoplankton may account for up to 80% of all the photosynthetic activity in some parts of the open ocean. a. True
b. False
Only about 2% of the energy of sunlight absorbed by a diatom can be converted into the energy of carbohydrate chemical bonds.

a. True
b. False
Chlorophyll is a green pigment and thus absorbs best in the green wavelengths.

a. True
b. False

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.