Why are leaves usually so thin? When might you see thicker leaves?
What will be an ideal response?
Most leaves are quite flat to allow for a large surface-to-volume ratio. This in turn exposes more photopigments to the sun, which promotes more photosynthesis. In very dry climates, leaves are often thick or needle-like to help conserve water and limit evaporation.
You might also like to view...
MHC markers are
a. a type of PAMP. b. special receptors on T cells. c. self proteins on body cells. d. antibodies attached to a B cell plasma membrane. e. Y-shaped proteins secreted by B cells.
Stabilizing selection occurs when
a. the environment controls which organisms will survive. b. humans determine which organisms will survive. c. the extremes of the population have a lesser chance to survive. d. the extremes of the population have a better chance to survive. e. the organisms on one extreme of the population have a better chance to survive than those on the other extreme.
What is being described? The RNA strand grows one amino acid at a time
What will be an ideal response?
Corn belongs to the kingdom
(a). Plantae. (b). Animalia. (c). Fungi. (d). Protista. (e). Archaea.