Across
- 2. skeleton or shell that lies outside the body
- 3. mammal animals with pouches
- 4. animals with a backbone
- 6. key diagrams used to classify things by grouping them into smaller groups.
- 9. animal that has a Exoskeleton with joined legs
- 11. an animal that maintains its body temperature
- 12. mammal animals with a placenta
Down
- 1. animals without a backbone
- 5. a cold blooded animal
- 7. producers milk
- 8. mammal animals that lay eggs
- 10. nomenclature Naming a species with two parts