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

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

Which direction does the energy flow in this energy pyramid ?