Microlethical, spherical shaped egg
star shaped!
Yes they are
echinoderms.
sea salt
It's a sun star, a type of sea star.
describe the skeliton of the star fish
larger
endoskeleton i believe
Sea stars are capable of both types of reproduction.
it really depends on the type of sea star you are wanting to know about. Common ones are about the size of your hand and are fairly light.
Sea stars have a very short development period and are not reliant on yolk as a source of food for an extended period. Sea star eggs may develop into larvae or directly into sea stars depending on the species.