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Mammals (Characteristics (Hair (Water-proofing, Signaling, Sensory Devices…
Mammals
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Diversity
Marsupials
Mammals that have a short gestation period, the embryo finishes development in the external pouch of the mother.
Ex. Kangaroo, Koala, Wallaby
Placental Mammals
Have placenta, which provides food and oxygen to the young. They give birth to mammals with complete embryo development.
Ex,. Elephant, Human, Dolphins.
Monotremes
Only mammals that lay eggs. They have a reptilian bone structure, a lower body temperature, and they have a mix of chromosomes and characteristics of both reptiles and mammals.
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