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Grasses/Herbsled to coevolution of:
1. Grazers - modifications to:1. Teeth2. Four-chambered stomach3. Shape of the Head4. Legs - faster runners (hooved animals)
2. Predators - adapted to hunting in the open (speed)3. Rodents and Songbirds - grain eaters4. Snakes - predators adapted to hunting in burrows
Mammal Evolution
Monotremes
Multituberculates
MarsupialsEutheria
(Placentals)
Placenta
Live Birth
Early Mammals
Late Jurassic
Cretaceous
Cretaceous
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