Biology, asked by shamilayyoob6203, 10 months ago

Endo skeleton of eutherians

Answers

Answered by sivanesansivaraj68
3

Answer:

it's closely related to mammals and marsupials

Answered by suraj62111
2

A true endoskeleton is derived from mesodermal tissue. Such a skeleton is present in echinoderms and chordates. The poriferan 'skeleton' consists of microscopic calcareous or siliceous spicules or a spongin network.

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