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10 cards from this deck
Living surroundings of organisms
Environmental change, competition, predation, disease
Changes over shorter periods within populations, no new species
Changes over millions of years, produces new species
First horse, dog-sized, forest-dwelling, 50 mya
Increased size, reduced toes (4 to 1), changed teeth
Egg-laying mammals, native to Australia & New Guinea
Bird bill/feet, reptile venom/eggs, mammal hair/milk
82%
No teeth (horny pads), electroreception system in bill
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