Across
- 2. Sharp protective structures covering an echidna
- 5. Scientific term describing animals that regulate their own body temperature
- 9. Electroreceptors in a platypus bill detect these tiny underwater signals
- 11. Monotremes reproduce by laying these
- 12. Country where platypuses and echidnas are found naturally
- 13. Male platypuses have a venomous one on their hind legs
Down
- 1. Type of animal group that monotremes belong to
- 3. Semi-aquatic monotreme with a duck-like bill
- 4. Egg-laying mammals like the platypus and echidna
- 6. Spiny Australian monotreme that eats ants and termites
- 7. Platypuses use this body part to sense prey underwater
- 8. Platypuses spend much of their time in this habitat
- 10. Opening used by monotremes for reproduction, urination, and excretion