Ballast water is taken up by ships in order to improve balance. Ships take up water in the entry ports, and discharge that water in destination ports. How could ballast water create problems within an ecosystem?

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

About how much of the cell mass is watet