zoo u9 echinoderm vocab

Ossicles

• Small separate pieces of echinoderm endoskeleton.

• Large bones found in mammals.

• Cartilage structures in fish.

• Mineral deposits in coral reefs.

Class Holothuroidea

• Sea cucumbers

• Starfish

• Coral

• Jellyfish

Aristotle's lantern

• A type of ancient Greek musical instrument

• A jawlike mechanism of sea urchins that involves the mouth and teeth

• A philosophical concept introduced by Aristotle

• A type of lantern used in ancient Greece

Tube Feet (Podia)

• Extensions of the water-vascular system of echinoderms; numerous small, muscular, fluid-filled tubes projecting from the body and often ending in suckers.

• A type of respiratory organ found in fish.

• A structure used for excretion in amphibians.

• A form of locomotion in insects.

Benthic

• Bottom dwelling

• Surface dwelling

• Water column

• Floating organisms

Bipinnaria

• Bilaterally symmetrical free swimming larvae of the starfish

• A type of coral reef

• A stage in the life cycle of a butterfly

• A species of freshwater fish

Deuterostome

• Animal whose anus is formed from the blastopore of a blastula

• Animal that develops a mouth from the blastopore

• Animal with a radial symmetry

• Animal that undergoes protostome development

Oral

• Pertaining to the mouth

• Related to the ear

• Concerning the nose

• Referring to the throat

Aboral

• Opposite to or away from the mouth

• Towards the mouth

• Relating to the back side

• Near the mouth

Ampulla

• A round, muscular structure on a tube foot that aids in locomotion

• A type of echinoderm that lives in deep sea

• A feeding structure used by echinoderms

• A reproductive organ in echinoderms