Classification Groups
These animals have soft bodies and a mantle.
mollusks
These animals have smooth, round bodies and may be parasites.
Roundworms
porifera
To which phylum does the oyster belong?
mollusk
In addition to the animal kingdom, to which group do shrimp and spiders belong?
arthropod
These animals are filter feeders.
porifera
These animals have stinging cells that they use to paralyze prey.
cnidarians
In addition to being an arthropod, to which smaller classification group does the blue crab belong?
crustacean
Jellyfish belong to this phylum.
cnidarian
How are vertebrates and invertebrates different?
Vertebrates have a backbone and invertebrates do not.
Animals in this phylum have jointed legs, segmented bodies, and exoskeletons.
arthropod
These animals have 5 or more pairs of jointed legs, two pairs of antennae, and may live in the water.
crustaceans
To which phylum does the earthworm belong?
annelid
In addition to the arthropod phylum, to which smaller group does the bee belong?
insect
Why do arthropods molt?
to grow
These animals have segments and may use setae to move.
annelids
These animals have 3 body segments, 3 pairs of jointed legs, and may have wings.
insects
A sea star belongs to this phylum.
echinoderm
To which groups does the tick belong?
arthropod and arachnid
How do filter feeders eat?
They get food from water that moves through their bodies.
These animals have radial symmetry, tube feet, and live in water.
echinoderms
These animals have 2 body segments and 8 jointed legs.
arachnids
A spider belongs to the phylum arthropod and this smaller group.
arachnid
To which groups does a shrimp belong?
arthropod and crustacean
How do worms improve soil?
break down material, fertilize soil, add air to the soil