| A | B |
|---|
| segemented | made up of many similar sections |
| arthropod | an invertebrate with jointed feet and a segmented body |
| vertebrate | an animal with a backbone |
| abdomen | the rear section of an insect's body |
| exoskeleton | a hard covering that supports the body |
| mollusk | an invertebrate with an unsegmented soft body, often covered by a hard shell |
| amphibian | a vertebrate that begins life with gills, and later develops lungs |
| crustacean | an arthropod with 5 pairs of legs, 2 pairs of antennae, and 2 main body segments |
| tentacle | a slender, flexible body part used to touch, hold, or move |
| antennae | feelers on the heads of arthropods |
| arachnid | an arthropod with 4 pairs of walking legs, no antennae, and 2 body segments |
| regenerate | regrow lost body parts |
| invertebrate | an animal with no backbone |
| lateral | a row of tiny holes with nerve endings that feel changes in water pressure |
| parasite | an organism that harms another organism by living on or in it and taking nutrients |
| thorax | the middle section of an insect's body |
