Which are two kinds of echinoderms that use tube feet for movement? sea cucumber and brittle star brittle star and sea star sea star and sea urchin sea urchin and brittle star

What would be the most likely result if the ph of the stomach were increased to 5

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.