The Phylum of Animals That Does Not Show True Tissues

Question

The phylum of animals that does not show true tissues or symmetry is:
A) Nematoda.
B) Annelida.
C) Platyhelminthes.
D) Cnidaria.
E) Porifera.

Accepted Answer

The phylum Porifera (sponges) does not exhibit true tissues or symmetry. They have a few specialized cell types but lack distinct organs and tissues.