Home
Class 12
BIOLOGY
Internal endoskeleton of starfish is mad...

Internal endoskeleton of starfish is made up of calcareous plates called ossicles. Ossicles are derived from

A

ectoderm

B

mesoderm

C

endoderm

D

both 1) and 3)

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • Animal Kingdom

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|51 Videos

  • Animal Physiology

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|118 Videos

Similar Questions

Explore conceptually related problems

The endoskeleton of cell is made up of

Read the following statements (i) Animals in which the cells are arranged in two embryonic layers, an external ectoderm and an internal endoderm, are called diploblastic animals. Notochord is an ectodermal derived rod like structure formed on the ventral side during embryonic development in some animals. In some animals, the body cavity is not lined by mesoderm, instead, the mesoderm is present as scattered pouches in between the ectoderm and endoderm ans such a body cavity is called pseudocoelom. Which of the following statement(s) is/are correct?

[A] : When the organisms live together in such a manner that one organism benefitted , while other has no effects , it is called commensalism . [R] : In commensalism one partner derives benefit from the other partner without in any way benefitting or harming it .