Try to name something you eat that isn t from a plant or from an animal that ate a plant. All food comes from plants. Molecules of our bodies are made from food we eat, but plants make their own food from sunlight.
Plants are the nearly universal source of energy for all living things.
Oxygen needed for respiration is produced as a by-product of photosynthesis. Explain what it means to see a plant as red or green in terms of absorption and reflection, and why a black car is hotter on a sunny day than a white car. Explain what it means to absorb light by a pigment. Leaf section, epidermis, stomata, mesophyll 3. Chloroplasts, inner and outer membranes 4.