Biology, asked by ashwini3956, 1 year ago

Body does not show any segmentation in [CPMT 1981]
A) Frog
B) Cockroach
C) Earthworm
D) Star Fish/Hydra

Answers

Answered by nehramandeepsingh
4

Answer:D

Explanation: segmentation occurs in annelida, arthropoda, hemichordata and chordata

Answered by kaushanimisra97
0

Answer:

The correct answer is D) Star Fish/Hydra

Explanation:

Body segmentation means repeating of units along the anterior-posterior axis of the body.

  • Star Fish/ Hydra belongs to phylum Echinodermata.They lack body segmentation and have only radially symmetrical body.
  • Frogs are amphibians belonging to Phylum Chordata. Their body is segmented by the formation of somites.
  • Cockroaches belong to Phylum Arthropoda. They have serially segmented body segments with a pair of appendages on each segments.
  • Earthworm belongs to Phylum Annelida. Their body is segmented by transverse rings or annulations.
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