1.

Diploblastic and triploblastic are terms that describeA. the number of invaginations during embroyonic developmentB. the number of germinal layers during embryonic developmentC. the number of germinal layers during embryonic developmentD. the number of cell types during development.

Answer» Correct Answer - C
Diploblastic animals have two germinal layers (ectoderm and endoderm) during embryonic develoment, e.g., poriferans. Triploblastic animals have three germinal layers (ectoderm, mesoderm and endoderm) during embryonic develoment, e.g., platyhelminthes.


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