Drag the tiles to the correct locations.
the tiles can be used more than once.
identify which type of reaction the feature occurs in.

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

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

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