| A | B |
|---|
| Arthropoda | phylum name; means "jointed foot" |
| Appendages | legs, antennae, pincers, etc. that connect to the main body |
| Thorax | "Chest" |
| Abdomen | "Belly" |
| Body Cavity | the inside of the body |
| Nervous System | specialized system of nerves that communicate with the brain |
| Exoskeleton | a "skeleton" on the outside of the body; made up of a tough material called, chitin |
| Chitin | tough tissue that the exoskeleton is made of |
| Molting | the process of shedding the exoskeleton so that an arthropod is able to grow |
| Antennae | specialized "sensors" usually attached to the head of an arthropod |
| Arthropod | another name for an animal that belongs to the Phylum Arthropoda |
| Compound Eyes | special eyes made up of multiple lenses; think of our "bug goggles" |
| Simple Eyes | eyes made up of a single lens; example human eyes |
| Spiracles | special openings on the abdomen of insects that allow for gas exchange ("breathing") |
| Complete Metamorphosis | Egg ---> Larva ---> Pupa ---> Adult |
| Incomplete Metamorphosis | Egg ---> Nymph ---> Molt ---> Adult |
| Nymph | the "juvenile" or developing insect |
| Larva | the "baby" stage of an arthropod |
| Caterpillar | the larva form of a moth or butterfly |
| Pupa (Chrysalis) | cocoon stage of complete metamorphosis |
| Cephalothorax | fused head and chest; common on arachnids |
| Book Lungs | specialized "lungs" on arachnids that allow for gas exchange |
| Paralyze | inability to move |
| Mandibles | special mouth parts used for grinding and/or chewing food |
| Swimmerets | help a crustacean move; also used for reproduction |
| Maggot Therapy | the use of maggots to help treat serious wounds; they eat rotten flesh/tissue |
| Insects | have 6 legs & 3 body segments; examples would be ants, flies, beetles, dragon flies, etc. |
| Arachnids | have 8 legs & 2 body segments; examples would be spiders, ticks, and scorpions |
| Centipedes | have 2 legs per body segment, poisonous and carnivorous |
| Millipedes | have 4 legs per body segment, herbivore |
| Crustaceans | have 10 legs, love water, include shrimp, lobsters, and crabs |
