Invertebrates

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Across
  1. 4. sand dollar, sea cubucumber, feather stars, sea urchins, starfish
  2. 8. the largest class of animals. their legs are joined. they can be found on land or in the water (name the group of invertebrate)
  3. 10. an outside body covering, that provides support and protection
  4. 12. these invertebrates have six legs, three body parts, has wings such as bees and ants (type of arthopod)
  5. 13. these arthopods have 8 legs and a two part body such as scorpions and spiders
Down
  1. 1. an invertebrate is an animal without a **
  2. 2. have no symmetry can grow missing parts back and moves until it finds a place to settle
  3. 3. animals without a backbone
  4. 5. water animals with a body made of segments, a firm outer shell, two pairs of antennae, and limgs that are joined together (ex: lobster- type of arthopod)
  5. 6. clam, snail, squid, oyters, octopuses
  6. 7. animals that have long tube like body divided into segments.
  7. 9. invertebrates that have poison stigers on tentacles. have radial symmetry. includes jelly fish, hydra, and sea anemones.
  8. 11. cnidarians can be divided into two groups 1. polyp and 2. **