Invertebrates
Animals without Backbones
Invertebrates
Mollusks are invertebrates with this kind of body.
Soft
What are Animals with Backbones?
Vertebrates
What are the three main body parts of most mollusks?
Head, foot, body mass.
What are the largest group of invertebrates?
Arthropods
This fleshy covering protects a mollusk’s organs and may produce its shell.
mantle
How many groups of invertebrates are there?
Six
Octopuses and squids belong to this no-shell mollusk group.
cephalopod
Name an invertebrate that flies and in extremely annoying and dirty.
cockroach
Oysters, clams, mussels and scallops belong to this two-shell group.
bivalves