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8th Grade Botany

Lesson 3

1. During fertilization, the tip of the ___ enters the ovule. Pollen tube
2. The mature ovary, with its ___ is called a fruit. Seeds
3. After ___, the ovule develops into a seed. Fertilization
4. Female reproductive cells (ovules) are contained in the ___. Ovary
5. Movement of pollen from the anther of a plant to the pistil of a different plant is called ___. Cross-Pollination
6. This is the male reproductive cell of a plant. Pollen
7. Movement of pollen from the anther of a plant to the pistil of the same plant is called ___. Self-Pollination
8. This structure connects the stigma to the ovary. ? (Style)(not on list)
9. The stalk that holds up the flower. Peduncle
10. The colorful part of the flower is called the ______. Petals
11. This flower structure produces the pollen. Anther
12. When pollinated, this structure will host a ___ that will grow down to the eggs. Pollen tube
13. Another name for the seed eggs of a flower. Ovules
14. What flower parts are considered to be part of the female structure? Stigma, style, ovary, ovule
15. What flower parts are included in the male structure of the flower? Filament, anther
16. The job of the ____ is to protect the internal parts of the flower. Sepals
17. When all the sepals are put together as one unit we call it a ___. Calyx
18. Another name given for the pistil is ___. Carpel
19. The part of the flower that holds up the anther is called the ____. Filament
20. The slimy, sweet, aromatic liquid stuff secreted by the petals and stored and stored at the base of each flower is called ____. Nectar (not on list)
21. The term given to describe when all the petals are put together as one unit. Corolla
22. Bean shaped structure located atop the filament is called ____. Anther
23. The sticky head atop the style of the flower is called the ___. Stigma
24. Swollen cavity that contains the ovules is called the ___. Ovary
25. The outermost covering of an unopened bud is called the ___. Sepals
26. ___ is an undeveloped plant or animal. Embryo
27. What is the difference between a composite flower and a simple flower. A composite flower is a mass of hundreds of flowers on one stalk. A simple flower is just one flower.
28. Describe in great detail the pollination and fertilzation process. Whenever pollen grains are carried from an anther to a stigma, pollination occurs. Wind, insects, birds, water, and man can cause pollination. Wind and insects, especially bees and butterflies are the most important agent of pollination.
28-1. Bees and butterflies crawl into the flowers seeking nectar and pick up pollen on their hary bodies and legs. They carry and deposit pollen grains from flower to flower. When a grain of pollen falls on the sticky stigma, it soon begins to form a pollen tube. This tube, containing sperm, grows down through the style to the ovary. Fertilization will begin when the sperm fuses with the ovule.
28-2. This will cause the ovary to swell and the fertilized eggs will begin to form seeds. The ripened ovary becomes a fruit protecting the seeds within.
Created by: LiseBrinkley