Metatheria Infraclass

"behind-beasts" "sort-of-beasts" "pouched animal"

Bilateral symmetry is found through out this infraclass.

What distincts this infraclass from any other is that they carry their young in a pouch.

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The next closest related group is called Eutheria.

They shared a common ancestor with humans arouynd 120 m.y.a.
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Our interaction with them is that we destroy thier habitat.

Reproduction

Intercourse. The female has two lateral vaginas, which match up with the male's two-pronged penis.

Life Cycle

All marsupials are born premature after birth and gestation is around 30 days.

Control

Metatherians obtain control through the spinal cord.

How do they move?

Depending upon the organism they eithier move on two legs or four.

Fun fact

Marsupials do not form male-female bonds that extend beyond the time necessary for mating, and the female cares exclusively for the young.
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