01:119:116 Lecture Notes - Lecture 9: Gametophyte, Sporophyte, Antheridium

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Audio recording started: 12:09 pm tuesday, february 13, 2018: derived traits of vascular plants. Homospores only one type one gametophytes spores g bisexual. The sporpohyte is independent of the gametophyte and vice versa *** Mistletoe is an example of epiphytes: fern life cycle, sporophytes (2n) produces spores (n)-independent (all vocab is last lectures, spores (n) land in soil, grow into gametophyte (n) and get; antheridia and archegonia. Homospore and bisexual only new words: gametophyte (n) produce gametes (n) Gametes are identical copies of each other (mitosis) They make a lot of sperm and a lot of eggs. (n)+(n)=2n. Derived traits of seed plants: adaptations for land. Advantage of seeds=protects the embryo (baby in a bag with its lunch: protection=coat, food source=endosperm, lifespan, reduced gametophyte (n) Ask for rest of the details: ovula and egg production. **mega and microspores: pollen and sperm production. Most of the gymnosperms are conifers---think of gynca flora.

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