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Mammals General Characteristics _________blooded Vertebrates (Phylum ___________) Have ______________ ____________-chambered heart Feed their young ______________ ___________________ glands produce milk Three _____________ in the middle ear Well developed ______________ Some of the most intelligent animals on earth. _________________ Mammals fertilization grouped by how their young _________________ Most _________ and _________ young more than other animals _______________ to help breathing Predator Eyes set to ___________ of skull Prey Increase ________________ vision ______________ eye orbits Eyes set to ___________ of skull Increase field of view or _______________________ vision Smaller eye orbits ___________________ – Flesh-eating Mammal Molars ___________ and scissor-like teeth for cutting flesh Long sharp ________________ for grabbing prey Jaw bone very _________________ Can’t move mouth _________________________ Mouth can open ______________ Teeth come together ____________________________ Examples: ___________________ – Plant-eating Mammals Molars _________ and __________ for grinding plants Space between ________________ and ______________ Jaw bone ___________ to move around a lot Can move mouth __________________ Mouth ___________ open very wide Teeth come together _________________________ Examples: _________________ – Eats Plants and Animals Some molars _________ for cutting flesh, others ___________ for grinding food Long sharp ______________ for grabbing prey Jaw bone very stable Limited __________________ movement Mouth can open _________________ Examples: ___________________ – Insect-eating Mammal ______________________ animals Eye sockets extremely _______________ Teeth mostly simple _____________________ Examples: ____________________; _______ laying mammals Examples: ____________________; _____________ mammals Examples: ___________________ mammals Young _____________ through a placental sac Give _______ to a _____ ___________ young. _________________ mammals are called __________________ Examples: ____________________; _____- _______ mammals Examples: _____________________; _______ dwelling mammals Examples