Animal Click to see full answer Also know, what class does a starfish belong to? Asteroidea Likewise, how do starfish reproduce? Sea stars can reproduce sexually and asexually. In sexual reproduction, fertilization occurs in the water with males and females releasing sperm and eggs into the environment. The fertilized embryos, which are free-swimming animals, become part of the zooplankton in most species. Likewise, what is a starfish made of? Although starfish are invertebrates, they do have a kind of skeleton. The bodies of starfish are composed of calcium carbonate plates, known as ‘ossicles’. These form the endoskeleton, which takes on a variety of forms such as spines and granules.What is the domain of starfish? Eukaryote
