fish
Echinoderms, like all animals, are heterotrophs and need to eat food to survive.
To be technical, Echinoderms do not spend time caring for their young. They have sex, give birth, then believe it or not some eat them.
their stoumach
starfish they are echinoderms
yes
orange
By getting food in the ocean.
By getting food in the ocean.
fish and other echinoderms
echinoderms, crustaceans, molluscs, and worms
The health of the echinoderm influences growth speed.
They eat corals, sponges, sea urchins, other echinoderms, and small crustaceans.