1. All living things are composed of cells.
Which action is not accomplished by repeated cell
division?
A.
a plant developing new leaves
B.
a broken bone growing back together
C.
a plant using sunlight to make its own foods
food
D.
an eight-pound baby growing into a 100-pound
teenager


C

Explanation:

Everything else has to do with growth but C is talking about food/energy.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.