Across
- 2. the action or process of fertilizing an egg, involving the fusion of male and female gametes (sperm & egg) to form a zygote.
- 4. a protective and waxy or hard layer covering the epidermis of a plant.
- 6. a simple sugar which is an important energy source produced during photosynthesis
- 8. a green pigment, present in all green plants, responsible for the absorption of light to provide energy for photosynthesis.
- 9. pores in the epidermis of the leaf or stem of a plant
- 12. the transfer of pollen to a stigma, ovule, flower, or plant to allow fertilization.
Down
- 1. Respiration a series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP
- 3. the production of offspring by a sexual or asexual process.
- 5. organelle in a cell that is the site of photosynthesis
- 7. the process by which green plants use sunlight to synthesize foods from carbon dioxide and water.
- 10. spore that forms from tissue in a male reproductive structure of a seed plant.
- 11. evaporation of water vapor through the stomata of a plant