Across
- 3. a diverse invertebrate animal (like insects, spiders, crabs) characterized by a hard chitinous exoskeleton, a segmented body, and paired, jointed appendages
- 5. a structure of tiny teeth used for scraping food particles off a surface and drawing them into the mouth.ula
- 9. division into separate parts or sections
- 10. a small arthropod animal that has six legs and generally one or two pairs of wings.
- 12. the process of transformation from an immature form to an adult form in two or more distinct stages.
- 13. a tube used to convey liquid
- 14. a rigid external covering for the body in some animals providing both support and protection.
Down
- 1. a animal with out a backbone
- 2. shed of parts to make way for new ones
- 3. an arthropod of the class Arachnida, such as a spider or scorpion.
- 4. a fibrous substance consisting of polysaccharides and forming the major constituent in the exoskeleton of arthropods and the cell walls of fungi
- 6. a mollusk of the large class Gastropoda, such as a snail, slug, or whelk.
- 7. a organism that lives on or in another organism
- 8. an aquatic mollusk that has a compressed body enclosed within a hinged shell, such as oysters, clams, mussels, and scallops.
- 11. phylum which includes snails, slugs, mussels, and octopuses.