Through which are wastes, nutrients, and gases primarily transported in a plant?
a. within the stem and roots
b. within seeds and spores
c. within spores and flowers
d. within the seeds and roots

Nucleic acid certain protein cell membranes certain carbohydrates

Which of the following is not a potential result of deforestation?

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food