Biology · ANIMAL KINGDOM
हिन्दीRefer to the given figure showing germinal layers (Figure 4.2). Which of the following statements correctly differentiates structure (a) from structure (b)?
Correct answer · Option 3
represents diploblastic organization with an undifferentiated mesoglea, whereas (b) represents triploblastic organization with a well-developed mesoderm.
Explanation
Figure 4.2(a) shows diploblastic organization containing an undifferentiated layer called mesoglea between ectoderm and endoderm, whereas Figure 4.2(b) shows triploblastic organization containing a third germinal layer, mesoderm.