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Alle Oberthemen / Medicine / Angiosperms / Angiosperms

Describe the angiosperm life cycle (1 - 5).

1. Microsporangia in anthers produce pollen (microspores) by meoisis.

2. Microspores germinate, form 3-nucleate microgametophytes with 2 sperm cells.

3. Megasporangia in ovules produce megaspores by meoisis.

4. Megaspores develop into 8-nucleate megagametophytes with 1 egg cell.

5. Double fertilization produces an embryo in a seed (from ovule) in a fruit (from ovary)

Tags: angiosperms, life cycles, megaspores, microspores
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Karteninfo:

Autor: zeestree

Oberthema: Medicine

Thema: Angiosperms

Schule / Uni: University of Hawaii at Manoa

Ort: Honolulu

Veröffentlicht: 19.04.2010

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