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Biology 15 study guide

Across
Crawling cells
Pore bearers
Octopus, oysters, snails, slugs, squid and clams.
Cup shaped tube shaped Cnidarian with a mouth and tentacles at one end.
Animals without backbones
Lines the cavities of sponges have flagella that beat vigorously to generate the water content of a sponge.
Attaches to the host using powerful suckers and feeds upon the hosts tissues and fluids.
Having both male and female reproductive organs.
Clusters of cells encased in a tough, spicule-reinforced coat.
Sections of a tapeworm.
Capsules containing poisonous barbs.
Bell shaped jellyfish with a painful sting.
The most common type of asexual reproduction in sponges.
Outer cell layer
Part of the mollusks body that contains the heart.
Sheath of tissue that encloses the vital organs of a mollusk.
Down
Small organ covered with many tiny teeth.
Bell shaped and swims freely.
Batteries of stinging cells.
Body that can be divided into equal halves by a cut in any direction as long as the cut passes through the center of the body.
Animals with backbones
Sea urchins to starfish.
Flexible internal skeleton made of bones and cartilage.
System of tough plates covering the outside of an animal
The study of the kingdom Animalia.
Body pattern that can be divided into equal halves by a cut being made through the center of the animal and along its length. (not a transverse cut)
Equal part body as long as he cut passes longitudinally and divides the animal into right and left sides.
Protective body covering
Small bulb shaped head of the tapeworm.