Organs, such as the stomach and the small and large intestines, are lined with smooth muscle tissue. these organs, due to the muscular contractions of their walls, involuntarily a) grind food into smaller pieces. b) move food through the digestive tract. c) add liquids to food to make it a slurry. d) supply digestive enzymes that aid in digestion.

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.