Biology · ANIMAL KINGDOM

Diploblastic and triploblastic organizations are defined based on the number of embryonic germ layers. Which of the following sets of animals correctly matches diploblastic and triploblastic conditions respectively?

A
Diploblastic: Platyhelminthes, Aschelminthes; Triploblastic: Coelenterata, Ctenophora
B
Diploblastic: Annelida, Arthropoda; Triploblastic: Porifera, Coelenterata
C
Diploblastic: Coelenterates, Ctenophores; Triploblastic: Platyhelminthes to Chordates
D
Diploblastic: Echinodermata, Chordata; Triploblastic: Ctenophora, Coelenterata

View Answer & Solution

Correct answer · Option C

Diploblastic: Coelenterates, Ctenophores; Triploblastic: Platyhelminthes to Chordates

Explanation

Animals in which cells are arranged in two embryonic layers (ectoderm and endoderm) with mesoglea in between are diploblastic (e.g., Coelenterata, Ctenophora). Animals with a third layer (mesoderm) are triploblastic (Platyhelminthes to Chordates).

Diploblastic and triploblastic organizations are defined based on the number of embryonic germ layers. Which of the following sets of animals correctly matches diploblastic and triploblastic conditions respectively?

Correct answer · Option C

Explanation

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Diploblastic and triploblastic organizations are defined based on the number of embryonic germ layers. Which of the following sets of animals correctly matches diploblastic and triploblastic conditions respectively?

Correct answer · Option C

Explanation

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