18) Which of these activities is NOT related to the digestive system? Absorbing nutrients into the bloodstream from the small intestine
Breaking down food particles into smaller particles
Moving solid waste through the body to get rid of it
Delivering nutrients to the cells via the bloodstream

Texas bluebonnet plants seen in this photo are an example of which ecological unit?

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow