GCSE Edexcel Biology- Classification

Across

• 1. What's an animal with a backbone? (10)
• 5. A series of questions that you can use to figure out what an unknown organism is? (3)
• 6. Kingdom, phylum, class, order, ____, genus and species. What's missing? (6)
• 7. What's the name for laying eggs? (9)
• 8. What's the name for giving birth to live young? (10)
• 9. Reptiles are cold blooded, what's the other name for this? (13)