ch20 Flashcards
animals without backbone
Invertebrates
invertebrates with jointed feet
Arthropods
external skeleton
Exoskeleton
material that makes up exoskeleton
Chitin
wings are attached to _____
Thorax
70% of the invertebrates
Insects
study insects
Entomologists
process by which insects mature
Metamorphosis
change where larva does resemble adult form
Incomplete metamorphosis
an immature form of the insect
Nymph
looks like adult insects but lacks wings
Larva
change where larva does not resemble adult
Complete metamorphosis
give the grasshopper an excellent sense of smell, touch, and taste
Antennae
eyes that can detect only light and shadow
Simple eyes
eyes that are sensitive to shape, color, and movement
Compound eyes
holes in abdomen of insect
Spiracles
insects have open or closed circulatory system?
open
organ an insect uses to lay its eggs
Ovipositor
straight-winged insects
Orthoptera
Cricket, grasshopper, locus, mantis, roach
Orthoptera
toothed insects
Odonata
Dragonfly, Damselfly
Odonata
half-winged insects
Hemiptera
Bedbug, chinch bug, squash bug, stink bug
Hemiptera