What type of symmetry does a starfish have?

Radial Symmetry.

What class or group does a manta ray belong to?

Chondrichthyes.

A sea star has a large number of small flexible hollow appendages protruding through the ambulacra, used either for locomotion or for collecting food and operated by hydraulic pressure within the water-vascular system. These are called ____

Tube Feet.

Most sharks do not have swim bladders.

True.

What group or class do lampreys belong to?

Agnatha.

Sea Anemones are?

Animals.

Sea Urchins are?

Echinoderms.

What phylum is a jellyfish?

Cnidaria.

Coquina Clams are?

Infuanas.

What phylum are octopus?

Phylum molluska. Class cephalopod.

Clams are?

Bivalves.

Clams have?

Gills.

The ___________ contains the major organs of the clam.

Visceral Mass.

The ______ covers and protects the gills (in bony fish).

Operculum.

Sharks have ______ scales.

Placoid.

Lion Fish are what phylum?

Chordata?

Crabs belong to what phylum?

Arthropoda.

Fish with skeletons made of bone. They usually have a swim bladder and gills covered by an operculum.

Bony Fish.

Fish with skeletons made of cartilage instead of bone. They do not have a swim bladder and include sharks, rays, and skates.

Cartilaginous Fish.

Increases the surface area inside the intestine, which helps sharks and other cartilaginous fish absorb more nutrients from food.

Spiral Valve Function.

Openings behind the eyes of sharks and rays that help bring water into the mouth and over the gills for breathing, especially when the animal is resting on the bottom or has its mouth buried.

Spiracles Function.

Detects vibrations and movement in the water, helping fish sense nearby prey, predators, obstacles, and other fish.

Lateral Line Function.

Detect electrical signals produced by other animals, helping sharks and rays find prey, especially hidden prey.

Ampullae of Lorenzini Function.

All fish have?

Otoliths.

Horseshoe crabs are used in marine pharmacology.

True.

Some medicines come from the ___

Sea.

Deep corals live without sunlight.

True.

Deep corals lack?

zoozanthellae.

Remotely Operated Vehicles.

ROV's

Soft corals do not produce a hard calcium carbonate skeleton.

True.

Corals

Cnidaria

Sponges

Porifera

Horseshoe Crab

Arthropoda

Octopus

Mollusca

Chordata

Red Snapper