Chapter 30 Notes (Vascular Seed Plants)

Chapter 30 Notes (Vascular Seed Plants) - Chapter 30 Notes...

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Chapter 30 Notes (Seed Vascular Plants) 1. The Significance of Seeds a. Seed is a sporophyte embryo, along with its food supply, packaged in a protective coat. b. Embryos contain nutrients (food supply AKA endosperm) – they can grow at any time when the environment is favorable. c. Seed coat protects from any dehydration or any harms. d. Therefore, dormancy is possible since the seeds have protective cells and enough food supply. e. Develops from the whole ovule. 2. Two different types of seed plants – Gymnosperms and Angiosperms a. Gymnosperms i. “Naked-seeds” plants – usually on the cones. ii. We usually call it “Conifers.” iii. Dominance of the sporophyte generation. iv. The main way that pine trees disperse their offspring is by using windblown seeds. v. The development of seeds from fertilized ovules vi. The role of pollen in transferring sperm to ovules vii. Life cycle – Not necessary. You can skip this. b.
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Chapter 30 Notes (Vascular Seed Plants) - Chapter 30 Notes...

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