invertebrates Crossword

Arachnids /Member pf the arthropod group which includes spiders, scorpions, ticks, and mites; all have eight walking
Mollusk /soft bodied invertebrate with a thick muscular foot for movement most protected by a
Echinoderm /have a water-vascular
Porifera / Exoskeleton /a skeleton on the outside of an
filter
Arthropod /has a hard, outer covering called an
Crustacean /Arthropods with two pairs of antennae, more that four pairs of legs, and compound eyes; ie:
Annelida /long tube-like body with many
Bivalves /mollusks that have two shells held together by hinges or strong
Gastropods /shell-less or single shelled mollusks that move by using a muscular foot located on the ventral
Cephalopod /class of mollusks which have modified their muscular foot into
Bilateral Symmetry /body plan in which only a single, imaginary line can divide the body into two equal
Radial Symmetry /body plan in which body parts repeat around a center of the
Worms /long, skinny animals with no legs or
Parasite /an organism that lives on another organism and causes it
Coral /a structure of calcite skeletons built up by coral animals in warm, shallow ocean
Invertebrates /animals that do NOT have a
Insects /Arthropods with three body sections, six legs, a pair of antenna, and usually
Flatworms /can regenerate, some are parasites, and has flat
Round Worms /round bodies, simple systems, many are
Segmented Worms /segmented bodies, breathe through skin, lives in moist
Pore /holes on the outside of a sponge’s body that filters
Endoskeleton /an internal skeleton inside the
Antennae /feelers that respond to touch, taste, and
Cephalothorax /an arachnid segments that combines the head and the
Porifera /another name for
Spicule /a type of cell or
Mantle /a
Herbicide /a plat
Free Living /a bug that lives