Which of the following terms means a movement towards light by a plant? A. gravitropism
B. phototropism
C. thigmotropism
D. hydrotropism

The earth's polarity has switched many times through history as evidence by what wh the earth clorets he has switched many times throughout history as evidence by what

Contrast how pollination is different among gymnosperms and angiosperms.

In a certain plant, yellow leaves are dominant (y) and red leaves are recessive (y). a plant with genotype yy and a plant with yy are crossed. if they have four offspring, how many would you predict would have red leaves? a: 1b: 0c: 3d: 2