The reactions of the calvin cycle are not directly dependent on light, but they usually do not occur at night. why?

Which event would lead to primary succession of a forest?

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

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups