Which two substances are among the four major types of organic compounds made by living things? A:Carbohydrates
B:Potassium
C:Water
D:Proteins

Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae

About how much of the cell mass is watet