Chapter 30

Chapter 30 - micropyle – pore in the integuments of the...

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BIO 152 Notes Chapter 30: Plant Diversity II Concept 30.1 seed plants – heterospory, ovules, pollen integuments – protect the megasporangium Concept 30.2 *360 mya gymnosperms *160 mya angiosperms Concept 30.3 sepal – green and enclose the flower before it opens stamen – microsporangium filament – base of stamen anther – head of stamen pericarp – thickened wall around a mature ovary
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Unformatted text preview: micropyle – pore in the integuments of the ovule double fertilization – one sperm fertilizes the egg, the other fuses with the two nuclei in the large central cell of the female gametophyte??? cotyledons – two leaves that grow out of the seed endosperm – tissue rich in starch/food, comes from the nucleus of the central female cell dividing repeatedly...
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This note was uploaded on 04/11/2008 for the course BIO 152 taught by Professor Mort during the Spring '08 term at Kansas.

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