Chapter 27 - Today-4/11 parts of-36 Exam III Friday 4/13...

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Today-4/11 parts of chapters 27, 31-36 Exam III Friday 4/13 Vascular Seed Plants Features of Seeds Primary means of reproduction and dispersal for seed plants o Gymnosperms o Angiosperms Seeds are reproductively superior to spores o Embryonic development is further advanced An embryo is a sporophyte; a spore is a gametophyte Seeds contain a multicellular young plant w/root, stem and one or more leaves!! o Seeds contain an abundant food supply (that feeds young plant) A spore is a singe cell o Each seed has a protective seed coat (to protect it when it travels finding a suitable habitat to grow/germinate) o What makes ‘em similar and different (know) 2 Types of Seed Plants Monocotyledon – has one cotyledon/seed leaf l o Monocot is one solid structure o Cotyledon = seed leaf o Both have endosperm=food source, seed coats, BUT differ in cotyledons Dicotyledon – has 2 cotyledons o Dicot can split into 2 pieces (ex peanut) Seed plants have vascular tissue;
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This note was uploaded on 05/11/2008 for the course BIO 106 taught by Professor Sorenson during the Spring '07 term at Minnesota State University, Mankato.

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Chapter 27 - Today-4/11 parts of-36 Exam III Friday 4/13...

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