Invertebrates Word Search
A free Invertebrates word search you can play straight in the browser. The 12-word list draws on the habitats, species, and behaviors of an animal group, hidden across a 15×15 grid in every direction. Drag through the letters to mark a word off.
Words to find: ARTHROPOD, MOLLUSK, ANNELID, CNIDARIAN, ECHINODERM, SPONGE, INSECT, ARACHNID, CRUSTACEAN, GASTROPOD, CEPHALOPOD, BIVALVE.
Found words stay highlighted, so the grid gets easier to read as you go and the final few tend to fall quickly.
Invertebrates word list, defined
- ARTHROPOD /ˈɑːθrəpɒd/ (UK), /ˈɑːrθrəˌpɑːd/ (US) · noun
- An invertebrate animal of the phylum Arthropoda, characterized by a segmented body, a jointed exoskeleton, and paired jointed limbs; the group includes insects, arachnids, crustaceans, and myriapods. Related: invertebrate, bug, insect, crustacean.
- MOLLUSK /mɒˈlʌsk/ · noun
- A soft-bodied invertebrate animal, typically living in water, having a mantle, a set of gills, and often a shell. Related: invertebrate, cephalopod, echinoderm, annelid.
- ANNELID /ˈænəlɪd/ · noun
- A segmented worm of the phylum Annelida, which includes earthworms, leeches, and ragworms, characterized by a body divided into a series of ring-like segments. Related: segmented worm, earthworm, leech, polychaete.
- CNIDARIAN /naɪˈdɛəriən/ · noun
- A member of the animal phylum Cnidaria, a group of aquatic invertebrates that includes jellyfish, corals, sea anemones, and hydroids, characterized by radial symmetry and specialized stinging cells called cnidocytes. Related: cnidarian animal, coelenterate.
- ECHINODERM /ɪˈkaɪnədɜːrm/ · noun
- A marine invertebrate of the phylum Echinodermata, characterized by a hard, spiny or plated skeleton and, typically, five-fold (radial) symmetry; the group includes starfish, sea urchins, sand dollars, sea cucumbers, and brittle stars. Related: sea star, starfish, sea urchin, sea cucumber.
- SPONGE /ˈspɒndʒ/ · noun, verb
- A porous body of porous material, typically used for cleaning or absorbing liquids. To soak up or absorb something, especially liquid. Related: absorbent, pad, mop, sop.
- INSECT /ɪnˈsɛkt/ · noun
- A small invertebrate animal, typically having a segmented body, many legs, and one or two pairs of antennae. Insects include beetles, flies, bees, butterflies, and ants. Related: invertebrate, arthropod, creepy-crawly, bug.
- ARACHNID /əˈræknɪd/ · noun
- A member of the class Arachnida: an eight-legged arthropod such as a spider, scorpion, tick, or mite, whose body is divided into two main parts and which lacks antennae. Related: spider, scorpion, mite, tick.
- CRUSTACEAN /krʌˈsteɪʃən/ · noun
- A crustacean is an arthropod of the class Crustacea, a large group of mostly aquatic animals with segmented bodies, hard exoskeletons, and paired jointed limbs, including crabs, lobsters, shrimps, crayfish, barnacles, and woodlice. Related: shellfish, arthropod, decapod, invertebrate.
- GASTROPOD /ˈɡæstrəpɒd/ · noun
- A mollusk with a soft unsegmented body, typically having a shell and a radula, such as a snail or slug. Related: mollusk, snail, slug, limpet.
- CEPHALOPOD /ˈsɛf.ə.lə.pɒd/ · noun
- Any marine mollusc of the class Cephalopoda, characterised by a prominent head, large eyes, and tentacles or arms surrounding the mouth, including octopuses, squids, cuttlefish, and nautiluses.
- BIVALVE /ˈbaɪvælv/ · noun
- A marine or freshwater mollusc whose shell consists of two hinged halves, such as an oyster, clam, mussel, or scallop. Related: mollusc, shellfish, lamellibranch, pelecypod.
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