Which statement describes the role of xylem in vascular plants? a) it transports food in the plant in one direction. b) it transports water in the plant in one direction. c) it transports food in the plant in both directions. d) it transports water in the plant in both directions.

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

All organisms contribute some water to the water cycle by conducting

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.