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Image for: Neue klimageschichtliche Studie: Abkühlungsperioden bewirkten Evolutionsschub


Die Foraminiferen sind gehäusetragende einzellige Meerestiere. Die meisten Arten sind zwischen 200 und 500 Mikrometern groß. Die lange währende Abkühlung in der späteren Kreidezeit trug wesentlich zur Entstehung neuer Arten bei.
Die Foraminiferen sind gehäusetragende einzellige Meerestiere. Die meisten Arten sind zwischen 200 und 500 Mikrometern groß. Die lange währende Abkühlung in der späteren Kreidezeit trug wesentlich zur Entstehung neuer Arten bei.

Bilder: Gregor Mathes.

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