When did angiosperms first appear? When did they become ecologically dominant?
First appeared c. 130 million years ago, during the Cretaceous period. Became dominant by 90 mya.
Tags: angiosperms, cretaceous
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Autor: zeestree
Oberthema: Medicine
Thema: Angiosperms
Schule / Uni: University of Hawaii at Manoa
Ort: Honolulu
Veröffentlicht: 19.04.2010
Tags: Angiosperms
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Alle Karten (6)
angiosperms (6)
characteristics (2)
classes (1)
cotyledons (1)
cretaceous (1)
dicots (1)
integuments (1)
life cycles (1)
megaspores (1)
microspores (1)
monocots (1)
seed coat (1)
seeds (1)
