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science def.

QuestionAnswer
mammal vertebrates with 4 chambered hearts and fur on their skin
mammary gland milk producing organs
diaphram located on the bottom of the ribs; it is for the mammals to breath
monotremes egg-laying mammals
marsupials are mammals whose young are born at a early stage development, they finish growing in a pouch
gestation period the length of time between fertilization and birth
placental mammal develops inside its mother body until its body system can function indepedently
placenta an organ in a pregnant female mammals body
Created by: s730590
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