Across
- 1. Mammals and Birds are referred to as _____________ because they are endothermic and can regulate their own body temperature.
- 4. The place where reptiles lay their eggs
- 6. The shape of a bird's wing that allows it to fly fast in tight spaces
- 8. Easily found in large amounts
- 9. The term that means animals cannot regulate their own body temperature
- 11. Animals that eat only meat
- 13. Animals that eat only plants
- 15. limited supply of something
- 16. The place where amphibians lay their eggs
- 17. This word describes the skin of an amphibian
- 19. An organism that has a back bone
- 23. Reptiles and Amphibians are both referred to as ________ because they are ectothermic and cannot regulate their own body temperature
- 24. The process by which birds travel seasonally
Down
- 2. Animals that eat both meat and plants
- 3. An innate or internal fixed pattern of behavior in animals
- 5. Animals that eat only fish
- 7. An organism that does not have a back bone
- 10. Animals that eat only insects
- 12. The part of a bird made of keratin the they use to eat their food
- 14. Another word for beak that many aquatic birds use to feed
- 16. To endure harsh conditions
- 18. The substance that feathers and Beaks are made of
- 20. The term that means an animal can internally generate its own body heat
- 21. The process by which birds shed or lose their feathers
- 22. The substance that a reptile's scales are made of.
