Yes. All life that exists on Earth today evolved from earlier lifeforms.
Starfish are not the fastest swimmers, so any prey they can capture will need to be slow if not immobile. The starfish has evolved to take advantage of the bivalve community and, lacking any pressure to find other food, have no reason to hunt anything else.
StarfishNo. No known type of starfish can survive in freshwater. But Starfish can live on land or in other water. They can live some in the ocean, some not, and a lot in shallow cold water.
there are cusion starfish, reef starfish, spiny starfish and fire brick starfish in new zealand.
It is called toilet water.
Yes they can
Sure, starfish larvae are planktonic. Adult starfish are not.
Starfish Ancestors
they are starfish that is spiny
a starfish from the carribean?
sunflower starfish
it is a starfish which is married
Sharks, fish and manta rays are predators of the starfish. Larger starfish also prey on and attack smaller starfish.