In winter the leaves of chaparral shrubs
a. remain green
b. turn red and orange
c. fall off
d. expand and soften

Transpiration is the evaporation of water from

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

How do cells grow and reproduce to maintain homeostasis?