Across
- 3. process that makes more of the same kind of organism
- 4. chemical reactions in cells
- 6. warm-blooded vertebrates with hair or fur
- 8. removal of waste products of metabolism
- 9. invertebrate that usually have two pairs of wings
- 13. cold-blooded vertebrates that lay rubbery eggs
- 16. living organism moving a body part, changing positions
- 17. taking in materials for energy, growth and development
- 18. group of organisms that reproduce to make fertile offspring
- 20. animals that have a backbone
Down
- 1. single-celled organisms with a nucleus, some contain chloroplasts
- 2. small, single-celled organisms with a cell wall with no nucleus
- 5. invertebrate that has many pairs of legs and segments
- 7. a subsection of invertebrates that start with a
- 10. an embryonic leaf which often contains food stores
- 11. permanent increases in size
- 12. plants that do not have flowers
- 14. a group of organisms made from thread-like hyphae instead of cells
- 15. ability to detect and respond to the environment
- 19. one of the categories in classification, starts with g