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notka56 [123]
3 years ago
15

What charetieistic is used to classsify a mammal as monotremes marispuial or placental mamel

Biology
2 answers:
Mrac [35]3 years ago
7 0

Answer:

Monotremes are mammals that lay eggs.

A placental mammal develops inside its mother's body until its body systems

can function on their own.

Explanation:

mariarad [96]3 years ago
5 0

Answer:

I'm presuming you mean the three different subcatagories or taxa as there around 25/26 mammalian orders. The three taxa are - Prototheria or Monotreme = Mammals that lay eggs Metatheria Marsupial = Mammals with external development pouches.

Explanation:

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homologous

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