| A | B |
|---|
| Jacobsen's organ | found in roof of mouth, senses chemicals in the air |
| pit organs | located on front of head, detect body heat of prey |
| oviparous | young hatch from eggs, most are not protected by parents |
| ovoviviparous | female retains eggs in her body til shortly before hatcing or may hatch in her body |
| eggshell | used for protection and cushioning |
| yolk | food supply for developing baby |
| embryo | unborn organism |
| allantois | stores waste in an egg |
| albumen | source of protein and water in an egg, also for protection and cushioning |
| chorion | allows oxygen to enter egg and carbon dioxide to leave egg |
| amnion | used for cushioning and to keep egg from drying out |
