biology chapter 20 quiz terms

this is what i thought he narrowed it down to in class but i could totally be wrong. idk. it's less to study though ~~~~ -/(^-^)\-

animals without backbones

animals without backbones

invertebrates

invertebrates with jointed appendages; make up more than ¾ of all species in the animal kingdom

arthropods

external skeleton

exoskeleton

most varied and numerous living creatures

insects

process by which insects mature

metamorphosis

life begins as an egg that hatches into a nymph

incomplete metamorphosis

egg develops into a larva

complete metamorphosis

“straight wing”; roaches, crickets, grasshoppers, etc.

orthoptera

“toothed”; dragonflies and damselflies

odonata

“half wings”; true bugs

hemiptera

an insect with a half-wing design and piercing-sucking mouthparts that it uses to suck sap from plants and body fluids from animals

bug

“same wings”; cicada

homoptera

“scale wings” ; butterflies and moths

lepidoptera

insects with two wings and piercing-sucking or sponging mouthparts ; flies

diptera

“sheath wing” ; beetles

coleoptera

“membrane wings”; includes the social insects

hymenoptera

ants, bees, and wasps

social insects

spiders, daddy longlegs, mites and ticks, and scorpions

arachnids

a fused head and thorax

cephalothorax

allows a spider to breathe

book lungs

allows spiders to spin silk

spinnerets

insects with a hard carapace

crustaceans