Unit 4 Vocabulary Nat.Sci.
1. Photosynthesis: The process by which green plants use sunlight to convert water and carbon dioxide into glucose and oxygen.
2. Chlorophyll: The green pigment in plants that absorbs sunlight for photosynthesis.
3. Pollination: The transfer of pollen from the male part of a flower to the female part, leading to fertilization and seed formation.
4. Fertilization: The union of a male and female reproductive cell, resulting in the formation of a zygote and eventually a new plant.
5. Germination: The process in which a seed sprouts and starts to grow into a new plant.
6. Stamen: The male reproductive part of a flower that produces pollen.
7. Pistil: The female reproductive part of a flower that contains the ovary, style, and stigma.
8. Ovary: The part of the pistil that contains the ovules, which develop into seeds after fertilization.
9. Stigma: The sticky tip of the pistil that captures pollen during pollination.
10. Sepal: The outermost part of a flower that protects the developing bud.
11. Transpiration: The process by which plants release water vapor through their leaves.
12. Xylem: The tissue in plants that transports water and nutrients from the roots to the rest of the plant.
13. Phloem: The tissue in plants that transports sugars and other organic compounds from the leaves to the rest of the plant.
14. Angiosperm: A flowering plant that produces seeds enclosed within a fruit.
15. Gymnosperm: A plant that produces seeds that are not enclosed within a fruit.