Describe the discoveries of living coelacanths. What is the evolution-ary significance of the group to which they belong?

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

Define two form of cnidarians with example?

What is the coelom? Towhich structures do coelomsgive birth? Are all animalscoelomate?