| A | B |
| reptiles | vertebrates with lungs, scaly skin, and a special type of egg |
| scales | made from dead flattened cells |
| snake | a deaf reptile |
| internal | fertilization in reptiles |
| yolk | part of egg that nourishes the young |
| Komodo Dragon | the Largest Lizard known today |
| Lizards | reptiles with slender bodies, movable eyelids,long tails, four legs, clawed toes |
| Insects | what lizards usually eat |
| snakes | animals that lacklimbs, eyelids and ears |
| four | number of the kinds of poisonous snakes in theUS |
| small animals such rats and mice | what snakes usually eat |
| fangs | specialized teeth which inject poison |
| turtles | reptiles whose bodies are enclosed in a shell |
| sea turtles | reptiles that migrate |
| alligators and crocodiles | large,meateating,lizardlike reptiles |
| alligators | have broad, rounded snouts |
| crocodiles | have narrow,pointed snouts |
| birds | warmblooded egg-laying reptiles that have feathers |
| feathers | the most important characteristic of birds |
| contour feathers | give birds their streamlined shape |
| down feathers | short,fluffy feathers that act as insulation |
| air sacs | structures attached to birds lungs to increase efficiency |
| territory | area where individual bird or other animal lives |
| songbirds | also known known as perching birds -mockingbirds, nightengales, warblers |
| hunting birds | birds of prey=hawks,eagles ,owls |
| waterfowl | waterbirds-swans and ducks |
| flightless birds | emus and |