Exemplar Problems

Question:

Define diploblastic and triploblastic organization in animals, and give an example of an organism for each type.

Answer:

Diploblastic animals have two germ layers (ectoderm and endoderm), as seen in cnidarians like jellyfish. Triploblastic animals have three germ layers (ectoderm, mesoderm, and endoderm), as seen in vertebrates like humans. Diploblastic organisms lack a true mesoderm, which is crucial for more complex organ development in triploblastic organisms.

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