Xylem is a plant tissue made up of elongated cells stacked end to end the length of the plant's stem. How does xylem help a plant survive? A) exchange gases with the atmosphere

B)pulls water and nutrients up the stem from the soil

C)collects sunlight for the plant to use during photosynthesis

D)transports glucose made during photosynthesis to cells throughout the plant

Two pea plants with yellow peas are crossed. most of their offspring have yellow peas, but about 25 percent of the offspring have green peas. for pea color, yellow is the dominant trait and green is the recessive trait. what does this tell you about the two parent plants? a. the parent plants have only dominant alleles for pea color. b. the parent plants are heterozygous for pea color. c. pea color follows an incomplete dominance pattern of inheritance. d. the parent plants are homozygous for pea color.