Question

Explain

1 . Metamerism
2. Notochord

Answer 1

Hello !

METAMERISM

If the body is extrenally and internally divided into segments with serial repetition of at least some organs then phenomenon is called METAMERISM.

$\fbox{<strong>e.g. Earthworm}$

NOTOCHORD

Rod like structure formed during embryonic development on the dorsal side. It is mesodermally derived.

$\fbox{<strong>e.g. Chordates }$

Thank you !

Answer 2

" Metamerism "

If the body is extremely and internally divided into segments with serial repetition of at least some organs this phenomena is called Metamerism.

" Notochord "

It is a row like structure formed during embryonic development in the dorsal dude which is mesodermally divided.