grasshopper dissection

forewing

protects the hindwing; helps it glide through the air

hindwing

propels the grasshopper through the air

spiracles

where air enters and leaves the body' found on the abdomen and thorax

tympanum

the eardrum; used for hearing; its vibrations are picked up by nerve cells

pronotum

protects the thorax

antennae

long appendages for touch and smell

simple eyes

sense light and dark

compound eyes

enable it to see images in several directions; has many lenses

mandibles

chew food as they move from side to side

maxillae

helps to grind and manipulate food

labrum

upper lip

labium

lower lip

palps

four extensions of maxillae and labium; involved in touch and smell

ovipositor

used by female to dig a hole in soil and deposit her fertilized eggs

hypopharynx

its tongue; involved in sense of taste

heart

pumps blood through the aorta

tracheae

tubes (leading in from spiracles) that move air throughout its body; air is forced in and out by movements of abdomen and wings

salivary glands

its secretions moisten food in the mouth

esophagus

takes food from mouth to crop

stomach (midgut)

where digestion is completed; food then enters the coelom

crop

stores food

gizzard

has chitonous teeth to shred food

intestine (hindgut)

takes undigested food to anus

gastric caeca

produce digestive enzymes and release them into the stomach

malpighian tubules

its kidneys' removes nitrogenous wastes

nymph

young grasshopper, resembling the adult

arthopoda

its phylum (means Jointed foot)

uniramia

its subphylum

insect

its class

orthoptera

its order; means "straight-winged"

animal

its kingdom

thorax

the tagma to which the legs and wings are attached

ostia

holes that allow blood to reenter the heart

incomplete metamorphosis

Insect development consisting of three stages: egg, nymph, and adult

seminal receptacles

receive and store sperm in the female

internal

type of fertilization used by grasshoppers

plants (grass, crops)

what does the grasshopper eat?

tracheae

clear breathing tubes within the grasshopper

prothorax

specific section to which the 1st pair of walking legs attach

mesothorax

specific section to which the 2nd pair of walking legs & forewings attach

metathorax

specific section to which the 3rd pair of walking legs and hindwings attach