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Invertebrate Diversity

Across
Flat bodied worms that do not have a body cavity
A type of annelid that lives in fresh water, although some are found in damp places on land, most are scavengers and predators of invertebrates
Infectious type of nematode common in the United States
Stinging cells at the surface of tentacles of a cnidarian
Have interlocking spines and plates of calcium carbonate embedded in the skin, include sea stars, sea urchins, and sea cucumbers
Form of a cnidarian that is tubular, and one end usually attached to a surface
A type of annelid that typically has many bristles per segment
A process in which tissues are remodeled as larvae develop into adults
Hermaphroditic flatworm that infect the vertebrate gut
Have a small coelom and a soft, unsegmented body
Invertebrates with jointed legs, that have a complete digestive system and an open circulatory system
Have a secreted carbohydrate rich covering or "tunic" that encloses the adult body. The adult retains only the pharynx with gill slits.
A capsule-like organelle with coiled thread like structure inside it; defensive cells of cnidarians
Aquatic, radially symmetrical animal with stinging tentacles
Have a fishlike shape, retain all characteristic chordate traits as adults, have a single eyespot at the tip of dorsal nerve cord to detect ligh
A type of arthropod with four pairs of walking legs, a pair of touch-sensitive appendages called palps, and no antennae includes spiders, scorpions, ticks, and mites
Down
Skirtlike extension of the upper body wall of a mollusk that drapes over a visceral mass that contains the organs
A parasite that has an unsegmented body with suckers
Form of a cnidarian that swims or drifts about
Aquatic animal with a hollow, assymetrical body, adults do not move
Mussels, oysters, clams and scallops are called
Mostly marine arthropods that have two pairs of antennae including shrimps, crabs, and lobsters
A type of annelid that lives on land
Type of arthropod with three pairs of legs and one pair of antennae includes bees, dung beetles, medfly and bedbugs
Cuttlefish, squids, nautiluses, and octopuses are called
Largest subgroup of mollusks that have a radula
Have a notochord, dorsal hollow nerve cord, gill slits and muscular tail
Free-living flatworm common in ponds
Segmented worm with a coelom, a complete digestive system, and a closed circulatory system