Question
Biology Question on Kingdom Animalia
Diploblastic and triploblastic are terms that describe
A
the number of invaginations during embryonic development
B
the number of heads during embryonic development
C
the number of germinal layers during embryonic development
D
the number of cell types during development
Answer
the number of germinal layers during embryonic development
Explanation
Solution
Diploblastic animals have two germinal layers (ectoderm and endoderm) during embryonic development, e.g., poriferans. Triploblastic animals have three germinal layers (ectoderm, mesoderm and endoderm) during embryonic development, e.g., platyhelminthes.