The Chondrichthyans include the (mark all that apply) O skates ray-finned fishes O hagfish and the lampreys sharks rays O the sarcopterygii chimerae

Give 2 examples of animals characters each thank you if possible in phylum chordata

Select all the arthropods from this list O porifera (sponges) insects crustaceans earthworms O arachnids

The Icefish belongs to the family called: Serranidae Bathydraconidae Notothenioid fishes Percichthyidae

Oligochaetes and leeches:(can be more than 1) have a cuticle that is molted. possess parapodia possess a clitellum are hermaphroditic possess prostomial sensory structures

Matcht eh follo0wing Superclass Agnatha 12345678 Class Aves 12345678 Class Reptilia 12345678 Class Chondrichthyes 12345678 Class Cestoda 12345678 Class Osteichthyes 12345678 Class Amphibia 12345678 Class Mammalia   1. Primitive, jawless fish. 2. Group that contains organisms with 5 - 7 open gill slits. 3. Group with scaled bodies and swim bladders. 4. Group that must live in a moist environment and breathes through their skin. 5. Group of ectothermic organisms that evolved hard shelled eggs that resist drying out on land. 6. Group of organisms that has feathers and light bones. 7. Endothermic organisms with hair on their bodies. 8. None of the above

Describe the evidence that cnidarians share a more recentcommon ancestor with other animals than with sponges.

Cnidarians and ctenophores are considered diploblastic, but why might some biologists label them triploblastic?

In order to flip themselves upright, horseshoe crabs use their: Chelipids Telson Gnathobases Spatula Uropods

Octopi are crustaceans O molluscs O cnidarians Oarthropods