| A | B |
|---|
| Name the hard, outer covering found on arthropods. | exoskeleton |
| What must arthropods do with their old exoskeleton in order to grow larger? | shed or molt their old exoskeleton |
| What do arthropods use to hear, feel, and smell their surroundings? | antennae |
| Name the type of eyes that arthropods have with many small eyes packed together. | compound eyes |
| An arthropod's compound eyes are excellent for detecting ...... | movement |
| Why do arthropod eyes bulge outward so much? | to give them a wide field of view |
| Can arthropods see colors with their compound eyes? | yes |
| Name the small eyes that arthopods use for seeing close up. | simple eyes |
| What kind of arthropod has two pairs of antennae? | crustaceans |
| How do crustaceans breathe? | using gills that are attached to their legs |
| What group of crustaceans has five pairs of walking legs? | decapods |
| Describe the pincers and antennae of California lobsters. | small front pincers but long, spiky antennae used for defense |
| Describe the shape of a male crab's tail. | tucked underneath and triangle-shaped |
| Why do hermit crabs need to use a snail's shell for protection? | their rear ends have thin exoskeletons |
| How do hermit crabs use the last two pairs of legs? | used to hold onto the snail shell |
| How do hermit crabs get their snail shell? | they find empty snail shells |
| How do barnacles attach? | use cement glands near their head |
| What do barnacles use to filter the water for food? | their legs |
| Name the three main parts of an insect's body. | head, thorax, abdomen |
| Name the young form for insects performing incomplete metamorphosis. | nymph |
| Name the two young forms for insects performing complete metamorphosis. | larva and pupa |
| Why do crickets and grasshoppers "sing"? | males attract mates |
| Why does a flea's bite itch? | they inject a chemical to prevent blood clotting that causes the itch |
| Name the larval form of a beetle. | grub |
| Name the larval form of a fly. | maggot |
| Name the special hind wings of flies. | halteres |
| Which insect is diurnal ... a butterfly or a moth? | butterfly |
| Which insect has a thin body .... a butterfly or a moth? | butterfly |
| Which insect has feathery antennae ... a butterfly or a moth? | moth |
| Which sex of bees and wasps has the stinger .... the male or the female? | female |
| How many pairs of legs are found on insects? | three pairs |
| How many pairs of legs are found on arachnids? | four pairs |
| How many pairs of antennae are found on arachnids? | none |
| How do spiders use their silk for "ballooning"? | to disperse their young |
| How dangerous are local scorpions? | about like a bee sting |
| Name the chemical in insect repellent that repels ticks. | DEET |
| Name the disease carried by deer ticks. | Lyme disease |
| Which arthropod has one pair of legs on each segment of their body? | centipede |
| Which arthropod has stink glands for defense? | millipede |
| Which arthropod is more dangerous ... a centipede or a millipede? | centipede |
