Across
- 1. the substance that makes up exoskeletons
- 5. the time between two phases of molting
- 7. a shell around the exterior of most arthropods
- 11. A chemcial being released into the atmosphere by a living being to create a hormonal response
- 12. a subphylum that contains animals like centipedes and millipedes
- 13. when the arthropod becomes an adult through two or more phases
- 15. contains the spiders in the phylum
- 16. The fused head of an invertebrae and their thorax
- 17. an external respiratory opening found on insects and fish
- 18. any spieces that resides in a freshwater area
- 19. the excretory gland of a crustacean
- 20. added or attached to something more important
- 22. A part of the phylum made up of mostly water animals with tough exoskeletons and pincers
Down
- 2. a subphylum that makes up animals like crustaceans
- 3. when an animal is shedding old/dead skin or hair
- 4. Where the reproductive parts of a plant or invertebrate are in separate creatues
- 6. an arthropod made up of several legs on each side for each somite
- 8. cut up/divided into different segments
- 9. a simple, little eye found in many types of invertebrae
- 10. the age immediately after being born for an arthropod
- 14. The phylum of invertebraes
- 18. a type of invertebrae that goes through gradual metamorphosis
- 21. the stage between an insect being a larvae and adult, usually encased in a chrysalis