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15 Cards in this Set

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Invertebrates
Animals without backbones
(ex: crayfish, insects, sponges)
Stinging- Cell Animals
Animals with tentacles and hollow, sac-like bodies.
(ex: hydras, sea anenomes)
Sponges
Simple invertebrates with pores that reproduce asexually
Roundworms
Worms with long bodies & pointed ends; have a mouth & an anus; can be parasites or freeliving
(Ex: Hookworm)
Segmented Worms
Worms with divided body sections with three layers with muscles, blood vessels, and nerves.
(Ex. Earthworms)
Soft Bodied Animals
Include snails & slugs that glide with muscular foot & have sense organs; many have internal or external shells.
(Ex. Squid, oysters, clams)
Spiny skinned animals
Five part body with spines & tube feet.
Ex. starfish, urchins
Endoskeleton
A skeleton on the inside of the body that allows animals to grow larger and supports them.
Ex. Chordates
Exoskeleton
A skeleton on the outside of the body made of a hard, waterproof, nonliving substance
Cartilage Fish
Jawed fish in which the entire skeleton is made of cartilage and have no bone; have paried fins.
(Ex. Shark, rays)
Bony Fish
Fish that have skeletons made mostly of bone.
(Ex. Perch, bass, flounder, trout)
Flatworms
Simplest worms that are flattened with three layers: many are parasites (ex: tapeworms, planaria)
Jointed Legged Animals
Have jointed appendages with segmented bodies and an exoskeleton.
(Ex. crayfish, urchins)
Symmetry
The arrangerment of body parts around a line.
Sea Anenome: Raddial Vertebates:Bilateral
Vertebrates
Animals with backbones.
(ex: reptiles, birds, mammals)