compare and contrast external development of some animals and water and on land and internal development on land
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compare and contrast external development of some animals and water and on land and internal development on land
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Answer:
Internal Development • Internal Development occurs in mammal inside female 1. Placental – mammals that possess an internal structure that forms joining of embryo and mother (mice, cats dogs, whale, human) • Allows for longer internal development • Exchange of O2, CO2 & nutrients between mother and embryo
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