How does the structure of the stigma aid in pollination?

Where can you find prokaryotic and eukaryotic cells?

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above