head foot
cephalopods
stomach foot
gastropods
shell made of two parts
bivalves
insects, crustaceans, and arachnids
arthropds
several segments with a greater range of motion
jointedlegs
protects organs
exoskeleton
change in form as larva develops into adult
metamorphosis
openings on abdomen and aid in gas exchange
spiracles
invertebrates bodies divided into sections
segments
tube directly behind the mouth
pharynx
male and female
hermaphrodites
parts branch out in all directions symmetrically
radial
two equal halves
bilateral
brain activity
cephalization
mouth part for invertebrate
mandible
protects thorax
carapace
internal support
endoskeleton
segment behind the head
thorax
fusion of head and thorax
cephalothorax
posterior part of invertebrate
abdomen
parasites with long ribbon like bodies
tapeworms
slender bodieed parasites
roundworms
known as wheel animals
rotifier
fertilize dirt
earthworms
parasites that live on the blood of prey
leeches
make pearls
clams
move by sliding along a layer of mucus
snails
gastropods without shells
slugs
tentacles that surround a more developed nervous system
octopus
terrestrial isopod
pillbug
crustacean with broad carapace, stalked eyes, and five pairs of walking legs
crabs
large marine crustacean with a cylindrical body
lobster
eats wood
termites
eats clothes
moth
large green insect that feed on other insects w/ raised front legs
mantis
plant eating insect with long hind legs
grasshopper