Across
- 4. type of egg that protects embryo from drying out, named after the amnion membrane
- 5. what relies on the behavior to help control body temperature??
- 8. fossil of the first known reptile dates aback to the???
- 9. this reptile is a herbivore and tears plants into shreds and swallow the tough fibrous chunks
- 10. temperate and tropical areas contain populations of reptiles that are remarkably???
- 11. ventral part of the shell in turtles and tortoises is called?
- 14. vertebrate that has dry, scaly skin, lungs, and terrestrial eggs with several membranes
- 16. example of a carnivorous reptile
- 17. modern lizards and snakes belong to the _____ order?
Down
- 1. made of mostly protein and develop from pits in the birds’ skin
- 2. what dilutes the ammonia in the urine and helps carry it away?
- 3. dorsal part of the shell in turtle and tortoises is called?
- 6. type of circulatory system reptiles have??
- 7. urine is produced in the what??
- 12. may be smooth or rough
- 13. four surviving groups of reptiles are lizards, snakes, crocodilians, turtles and tortoises, and the ___?
- 15. period about 245 million years ago when reptiles roamed earth