Chapter 20 Vocabulary 2
Terms
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- sepal
- modified leaf of the outermost ring of a flower; covers and protects the flower bud before it opens
- petal
- one of the modified leaves of the second ring of a flower (inside the sepals)
- anther
- long stalk at the top of a flower's stamen where meiosis produces spores that develop into pollen
- embryo sac
- female gametophyte in a flower containing seven haploid cells, one of which is an egg cell
- style
- narrow structure in a flower; has a sticky tip (the stigma) and leads to the ovary
- stigma
- sticky tip of the style in a flower carpel
- pollination
- process in which pollen grains released from anthers land on the stigma of the flower
- pollen tube
- structure that extends from a pollen grain and carries sperm to the female gameophyte
- cotyledon
- structure in a seed that functions in the storage and transfer of nutrients to the embryo
- germination
- process by which a plant embryo begins to grow
- vegetative reproduction
- method of asexual reproduction in plants