Which phrase best describes passive transport? a. requires transport proteins

b. requires facilitation by enzymes

c. requires an isotonic solution

d. requires energy from the cell

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.

Approximately what wavelength of light is best absorbed by chlorophyll a

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols