What is the role of the villi?
A. To secrete digestive enzymes into the digestive tract
B. To secrete water into the digestive tract
C. To absorb small nutrient molecules from the digestive tract
D. To move food along the digestive tract
Answer: C
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When a protist digests its food, particles to be broken down are isolated from the rest of the cell in a ____ , to which digestive enzymes are added
Fill in the blank with the appropriate word.
Part of the reason that bacterial and eukaryotic cell
membranes are fluid stems from the composition of the ________ in the _________. Fill in the blank(s) with the appropriate word(s).
Which of the following characteristics does not apply to members of the group that includes
hedgehogs? a. teeth reduced or absent b. insectivores c. some are arboreal d. complex social interactions e. lay eggs in pouch
A genetic family tree can more correctly be called a ________.
Fill in the blank(s) with the appropriate word(s).