Carbohydrate: A compound consisting of carbon, hydrogen, and oxygen found in plants and used as a food by humans and other animals.
Chlorophyll: Green pigment found in chloroplasts that absorbs sunlight, providing the energy used in photosynthesis.
Chloroplasts: Small structures in plant cells that contain chlorophyll and in which the process of photosynthesis takes place.
Meristem: Special plant tissues that contain actively growing and dividing cells.
Phloem: Plant tissue consisting of elongated cells that transport carbohydrates and other nutrients.
Photosynthesis: Process by which sunlight is used by plants to form carbohydrates from carbon dioxide and water, releasing oxygen as a by-product.
Stomata: Pores in the surface of leaves.
Transpiration: Evaporation of water in the form of water vapor from the stomata.
Xylem: Plant tissue consisting of elongated cells that transport water and mineral nutrients