BIOLOGY - EXTINCTION

BIOLOGY - EXTINCTION - BIOLOGY EXTINCTION AND FOSSILS ­ ­...

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BIOLOGY   EXTINCTION AND FOSSILS  - Birds and dinosaurs are closely related  - Survivorship curve   that of dinosaurs is similar to those of humans  (many surviving young, steep drop-off in oldest age) - Why did dinosaurs go extinct? o Pollen o Constipation o Climate change o Catastrophic events o Competition o They live on as birds - Ch. 30   classifying birds and reptiles - Some Dinosaurs and birds have similar attachment points for feathers - Order Multituberculates   most successful mammal ever of all time  disappeared with the rise of the rodents  - Black-footed ferrets   once in Canada, not anymore (endangered  species, not in the wild here). All caught, bred, and then released again in  Wyoming; population declined and then shot up - Extinct animals   Passenger pigeon, the great Auk o Stellar’s sea cow   described in 1741, extinct by 1468
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This note was uploaded on 10/23/2008 for the course BIO 1222 taught by Professor Maxwell during the Spring '08 term at UWO.

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BIOLOGY - EXTINCTION - BIOLOGY EXTINCTION AND FOSSILS ­ ­...

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