| A | B |
|---|
| gill slits | paired openings used for breathing |
| endotherm | vertebrates with a constant body temperature |
| endoskeleton | the internal skeleton |
| spawning | males swim over the eggs and release sperm |
| ectotherm | body temperature changes with environment |
| amphibian | ectothermic land and water animal |
| swim bladder | structure that allows a fish to go up or down in the water |
| reptile | an ectothermic animal with dry skin |
| tympanic membrane | structures used by frogs to hear |
| scales | hard, thin, overlapping plates used for protection |
| fins | fan-like steering structures in fish |
| amniotic egg | provides a complete environment for the embryo |
| cartilage | tough, flexible tissue |
| Vertebrae | Bones that form a spinal column or backbone |
| Open Circulatory System | Blood is not always in vessels |
| Agnatha | The jawless fish |
| Closed Circulatory System | Blood stays within the heart and blood vessels |
| Monotremes | Mammals that lay eggs |
| Osteichthyes | Bony Fish |
| Mammals | Animals with hair and mammary glands |
| Aves | The name of the group birds belong to |
| Chondrichthyes | The cartilaginous fish |
| Amnion | Membrane that holds the fluid in an egg or mammalian placenta |
| Chorion | Membrane responsible for gas exchange |
| Allantois | Egg membrane that deals with getting rid of waste products |
| Yolk Sac | Egg membrane that provides nourishment |
| Animals that breathe through their skin and have lungs | Amphibians |
| Warm blooded animals that have lightweight, hollow bones | Birds or Aves |
| Group that has hearts that are almost 4 chambers | Reptiles |
| Lateral Line | Pressure gauges on fish |
| Marsupials | The pouched mammals |
| Placentals | Mammals that develop their young internally in the placenta |
| Animals that eat meat only | Carnivore |
| Animals that eat plants only | Herbivore |
| Animals that eat meat & Plants | Omnivore |
| Prehensile | Tails that can hang onto things, like branches |
| Zoology | The study of animals |
| Ornithology | The study of birds |
| Icthyology | The study of fish |
| Herpetology | The study of reptiles and amphibians |
| Mammology | The study of mammals |
| Acintopterygii | Ray finned fish |
| Sarcopterygii | Lobe finned fish |
| Paedomorphosis | Keeping juvenile traits |
| Tunicate | A Urochordate |
| Branchiostoma | Another name for amphioxus |
| Anadramous | Adult in the sea, freshwater to spawn |
| Catadramous | Spawn in the sea, freshwater adult |
