Which of the following is NOT an important role for phytoplankton? A. they provide food for fish and other animals
B. they provide oxygen for the planet
C. they provide shelter for fish
D. they reduce carbon dioxide in the atomosphere

What is one reason why transpiration is important in plants? question 19 options: it produces food from the sugar in the plant cells. it enables the flow of water out of the plant. it produces carbon dioxide in the leaves of the plant.