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:
<span>Rebecca is at risk for breech according to the medical opinion of her physician. Her first pregnancy was a breech which could indicate that her uterus might be slightly misshapen.</span>
The statement is true, the competitive exclusion principle states that two organisms cannot fill similar niches.
Europe is the most likely answer.
The Nucleolus helps function the cell.
