Question: Echinoderms and chordates are deuterostomes. protostomes. animals whose blastopore becomes a m…
Show transcribed image text Echinoderms and chordates are deuterostomes. protostomes. animals whose blastopore becomes a mouth. both b and c The skin gills of sea stars are structures for the exchange of gases, and excretion of ammonia. of defense. for movement. that produce the skeletal elements. The tube feet of a sea star bear tiny toes. are located only at the tips of the arms. function in movement. protect the organism from predatory fish. Aristotle's lantern is a tooth-bearing structure of the sea stars. tunicates. acorn worms. sea urchins. The Sieve plate, stone canal, circular canal, and radial canals of a sea star are structures of the nervous system. water-vascular system. digestive system. excretory system. The dermal endoskeleton of echinoderms is made of cartilage. bone. calcium carbonate. chitin. Which structure is not a major diagnostic feature of the chordates? dorsal hollow nerve cord notochord pharyngeal gill slits vertebral column The sea squirts and lancelets have an inner chamber that expels water. This chamber is called the intestine. bladder. atrium. nephridium. Invertebrates do not have a vertebral column. have a vertebral column. are all members of the phylum Chordata. do not include animals that are members of the phylum Chordata. Which animal is a chordate? sea star sea cucumber acom worm lancelet
Echinoderms and chordates are deuterostomes. protostomes. animals whose blastopore becomes a mouth. both b and c The skin gills of sea stars are structures for the exchange of gases, and excretion of ammonia. of defense. for movement. that produce the skeletal elements. The tube feet of a sea star bear tiny toes. are located only at the tips of the arms. function in movement. protect the organism from predatory fish. Aristotle's lantern is a tooth-bearing structure of the sea stars. tunicates. acorn worms. sea urchins. The Sieve plate, stone canal, circular canal, and radial canals of a sea star are structures of the nervous system. water-vascular system. digestive system. excretory system. The dermal endoskeleton of echinoderms is made of cartilage. bone. calcium carbonate. chitin. Which structure is not a major diagnostic feature of the chordates? dorsal hollow nerve cord notochord pharyngeal gill slits vertebral column The sea squirts and lancelets have an inner chamber that expels water. This chamber is called the intestine. bladder. atrium. nephridium. Invertebrates do not have a vertebral column. have a vertebral column. are all members of the phylum Chordata. do not include animals that are members of the phylum Chordata. Which animal is a chordate? sea star sea cucumber acom worm lancelet
