What are the key adaptations that help photosynthetic producers access plenty of light energy? A. Opening and closing stomata depending on time of day and weather conditions.
B. Growing tall and staying near the water surface.
C. Producing a waxy cuticle layer on the top surface of their leaves.

Which layer will become saturated first when rain falls?

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.