Lab 9 Echinoderma Vocab

Phylum Echinodermata

1. Spines

2. Pedicellariae

3. Ossicles of endoskeleton

Phylum Echinodermata

1. Protection and support

2. Kill small organisms that mighr settle on them ( avois infections )

3. support

Phylum Echinodermata

1. Dermal branchiae

2. Anus

3. Cardiac stomach

4. Pyloric stomach

5. Digestive glands

1. Gas exchange and excretion

2. Regulates egested and digested food

3. Physical digestion

4. Chemical digestion

5. sends ensyms to pyloric stomach

Phylum Echinodermata

1. Mouth

2. Rectal Ceca

1. Ingestion

2. Increases surface area of intestine for better ingestion

Phylum Echinodermata

1. Madreporite

2. Ring canal

3. Radial canal

4. Stone canal

1. Regulates water pressure and filter

2. Encircles mouth

3. Leads the water vascular system in the arms

4. Part of water vasucalr system from the madreporite of the ring canal

Phylum Echinodermata

1. Ambulacral grooves

2. Tube feet

3. Ampullae

1. Houses Tube feet

2. Locomotion and to capture prey

3. Provides hydraulic pressure to move the tube feet

Phylum Echinodermata

Gonads

Reproduction

Phylum Chordata

1. Incurrent siphon

2. Pharynx

3. Endostyle

4. Pharyngeal slits

5. Atrium

1. Ingestion

2. Ingestion and gas exchange

3. Trapping food

4. Allows water into atrium

5. Takes in water

Phylum Chordata

1. Excurrent siphon

2. Stomach

3. Intestine

4. Anus

1. Excretes waste

2. Digestion

3. Ingestion

4. Excretion

Phylum Chordata

1. Stolons

2. Adhesive discs

1. Anchoring

2. Used for attaching to things during metamorphasis

Phylum Chordata

Heart

Pumps blood throughout open circulatory system

Phylum Chordata

Notochord

Provides skeletal support anchoring of swimming muscles

Phylum Chordata

Dorsal nerve cord

Handle nervous coordination in the larval form