What three cellular structures are found in plant cells but not animal cells? a. mitochondria, ribosomes, and a cytoskeletonb. cell wall, mitochondria, and a plasma membrane c. cell wall, chloroplasts, and a large vacuole

Classify the structures as homologous or analogous, depending on their structure and function.

In the practice of science, this type of reasoning is used to develop explanations.

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