| A | B |
| How many body segments are in an insect | 3 |
| how many pairs of legs on an insect | 3 |
| how many body segments in an arachnid | 2 |
| how many body segments in a crustacean | 2 |
| how many pairs of legs on an arachnid | 4 |
| Examples of crustaceans | lobster,crab,shrimp,crayfish |
| Examples of insects | bee,termites,ladybug,grasshopper |
| Examples of arachnid | spiders,ticks,scorpions |
| Only invertebrate that can fly | insects |
| What is molting | shedding of exoskeleton |
| Fused head and thorax | cephlothorax |
| What is metamorphosis | Change from one body type to another |
| ways insects are harmful | spread disease,destroy crops |
| ways insects are helpful | making food, eating insects |
| exoskeleton | skeleton outside of the body |
| appendage | structure that grows out of an animal's body |
| antennae | appendages of the head used for sensing |
| tube feet | like suction cups on starfish |
| Three body segments of arthropods | head, thorax, abdomen |
| What does arthropoda mean | jointed legs |
| Characteristics of arthopods | segmented body,exoskeleton,jointed appendages |
| legs of a centipede | 1 pair per segment |
| legs of a millipede | 2 pair per segment |
| How do echinoderms reproduce asexually | regeneration |
| what is the study of insects called | entomology |
| examples of an echinoderm | sea urchin,sand dollar,sea star |
| echinodermata | spiny skin animals |
| what type of lens is made up of many lenses | compound |
| how does a spider capture its food | trap in web, poison in fangs |
| what is special about the mouth of a crustacean | can hold, cut, and crush food |
| what is the pair of legs on the head of a crustacean used for | claws to grab food |
| characteristics of Echinoderm | radial symmetry,spines,5 part body design |
| what is the study of animals | zoology |
| what is an exoskeleton used for | protection, sheds so animal can grow larger |