What type of person is an entrepreneur? O one who starts a new business
O one who introduces new products
O one who develops new ways of managing the factors of production
O all of the above

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

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?