Across
- 2. or bearing flowers
- 4. cross pollination, when pollen from one flower is delivered to the flower of a different species
- 11. from a plant stem that is typically a flattened expanded variably shaped greenish organ, constitutes a unit of the foliage, and function primarily in food manufacture by photosynthesis.
- 12. colorless, odorless reactive gas, that chemical element of the atomic number 8 and the life-supporting component of the air.
- 13. the process by which green plants and some other organisms use sunlight to synthesize food from carbon dioxide and water.
- 15. a plant is pollinated by insects
- 16. a simple sugar which is an important energy source and is a component of many carbohydrates.
- 18. between plants of different species
- 20. which occurs before flower even opens
- 21. when pollen move from the male part of a flower to the female part of the same flower, or another flower on the same plant
Down
- 1. transfer of pollen from an anther to the stigma in angiosperms or from the microsporangium to the micropyle in gymnosperms.
- 3. colorless, odorless gas produced by burning carbon and organic, compounds and by respiration
- 5. An agent that moves pollen, such as a bee or water
- 6. pollination by water
- 7. of the modified often brightly colored leaves of the corolla of a flower.
- 8. action of polluting especially by Environmental contamination with manmade waste.
- 9. Baskets-The hairy area on a bee's hind legs where pollen collects
- 10. fertilized ripened ovule of the flowering plant containing an embryo and capable of germination to produce a new plant.
- 14. pollination by wind
- 17. when a plant is pollinated by vertebrates, such as a bird and bats
- 19. Key: