The Follicle stimulating hormone (FSH) is secreted by using the pituitary gland. Hope this helps!
Answer:
Formation of cuticles. (A P E X)
Explanation:
The answer is Echinoderms.
According to the Embryological studies, the most ancient chordates were closely related to the ancestors of the echinoderms. Echinoderms are members of the group Phylum Echinodermata of marine animals. Some known echinoderms are starfish, and sea cucumbers.
