Invertebrates also tend to be _______ and to move more ______ than vertebrates

Each Invertebrate phylum contains animals with ______ body plans and physical characteristics

The simplest invertebrates are the _______, which belong to the phylum _______

All sponges are ______ and have no tissues, ____, or organ systems

The phylum _____ includes jellyfish and corals

Unlike sponges, cnidarians have ___ symmetry

Cnidarians have ________ that are used for capturing food

All flatworms have ____ symmetry with nerve, muscle, and digestive _____

and a simple _____

Roundworms, also called ______, belong to the phylum

_______

A roundworm's digestive system has two openings: a(n) _____ and a(n) _____

Unlike flatworms, the bodies of roundworms are ____ and covered with a stiff outer covering called a(n) _____

The phylum _____ includes snails, slugs, clams, and squid

All Mollusks have ______ Symmetry

Mollusk bodies are ____, and some species have hard ____ that protect their bodies

They phylum ____ includes earthworms, leeches, and marine worms

Annelid worms have ______ symmetry and ____ bodies

Annelid bodies consist of repeating ______ covered with a thin _____

The Phylum _____ includes insects, spiders, shrimp, crabs, and their relatives

All arthropods have _______, which are thick, hard outer coverings that protect and support animals' bodies

Arthropods have several pairs of jointed ____, which are structures, such as a leg or an arm, that extend from the center part of the body

All ____ species have three pairs of jointed legs, three body segments, a pair of antennas, and a pair of compound eyes

Spiders, ticks, and scorpions are ____; they have ___ pairs of jointed legs and two body segments and lack ____ and ____

Crabs, Shrimp, and lobsters are _____; they have one or two pairs of _____ and jointed ____