Across
- 3. level of classification with most species
- 6. all animals are __; the same as heterotrophs
- 8. arthropods such as spiders, scorpions, and ticks
- 11. "pore bearer" p. 201
- 13. an animal that lacks a backbone;Ex: insects
- 16. an animal with a backbone or spinal column
- 17. a type of symmetry where a line can be drawn down the middle
- 20. __ guts; a digestive tract with one opening
- 23. all animals are __; made of many cells
- 24. soft bodies, most with hard shells; Ex: clams
- 26. "jointed appendages" Ex: insects crustaceans a type of aquatic arthropod; Ex: lobster p. 203
- 27. level of classification with least amount of organisms
Down
- 1. all invertebrates are __ (can't regulate temps)
- 2. jellyfish and anemones; cnidocytes
- 4. __ guts a digestive tract with two openings
- 5. scientific names are named by the __ and species
- 7. can be divided into one or more imaginary lines
- 9. hard, outer covering on insects
- 10. system used to classify animals; named after Carolus _
- 12. animals that regulate their body temp; "warm-blooded"
- 14. a type of symmetry where many lines can be divided through the center
- 15. when something does not have symmetry
- 18. a scientist who studies animals
- 19. all animals are made of __ cells
- 21. "spiny skin"
- 22. animals that can't regulate body temp; cold-blooded
- 25. long, soft-bodied with bilateral symmetry; Ex:leeches