What tool is used to identify an organism based on alternative characteristics?

What are the 9 major animal phyla?

What are 3 marine examples of Cnidarians?

What are two types of hard coral that have a mutualistic relationship with zooxanthellae?

Why is the COTS (Crown of thorns starfish) considered the keystone species of reefs?

What an examples of Arthropods?

What is pentaradial symmetry?

A buoyancy organ found in bony fish

An identification tool utilizing a series of choices between alternative characters, with a direction to

another stage in the key, until the species is identified

the walls of the calyx

Non-moving, cup-like life stage of cnidarians

Planktonic consumers that are either floating or weakly swimming animals

Tubular projections that assist in locomotion, feeding, and respiration

The part of the exoskeleton that protects the dorsal side of the cephalothorax

A marine invertebrate group with pentaradial symmetry and tube feet

A thin bony flap of skin covering and protecting the gills

Protrude from the body surface and assist in movement, stabilizing position, reproduction, and

protection

A type of overlapping scales that provides protection and improved hydrodynamic efficiency in sharks

Lower part of the coral calyx that separates the polyp from the substrate

Stinging cells that cover the tentacles of cnidarians

Symbiotic, photosynthetic dinoflagellates living within the tissue of many invertebrates

Overlapping segments of bone covered by skin and mucus found on the outside of fish

External openings from the gills through which water taken in at the mouth can pass back to the ocean

The stony cup in which a coral polyp lives its life

The harpoon-like organelle inside the cnidocyte that contains toxin to be delivered to the prey

Five arms (or fans) radiating from a central body cavity

Microscopic free floating marine organism

The classification of the species within living organisms by describing the domain, kingdom, phylum,

class, order, family, genus, and species

A marine invertebrate group with a hard exoskeleton, ten jointed legs and a Nauplius larval stage

A canal on the head and the side of the fish that contains sense organs; it is externally visible in bony

fish but in cartilaginous fish it is under the skin

Marine animals that capture food using stinging cells

What else should I study for Ch 15 test besides this quiz?