Phylum Echinodermata Flashcards by Jerick Galindez | Brainscape

Q

Taxonomy

Phylum

Class

A

Class Crinoidea ‑ Sea Lilies and Feather Stars

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Q

Taxonomy

Phylum

Class

A

Phylum Echinodermata

Class Asteroidea

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Q

Taxonomy

Phylum

Class

A

Phylum Echinodermata

Class Ophiuroidea

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Q

Taxonomy

Phylum

Class

A

Phylum Echinodermata

Class Holothuroidea

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Q

Taxonomy

Phylum

Class

A

Phylum Echinodermata

Class Echinoidea

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Q

What are the green “leafy” structures on the arm?

What are the blue balloons on the arm?

What ridge runs down the middle of the arm?

Where are the gonads?

A

Pyloric Ceca

Ampullae

Ambulacral ridge

Small orange dots on the outside

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Q

Where are the ossicles?

Where is the stone canal?

Where is the ring canal?

Where is the radial canal?

A

Yellow with green dot

Blue canal going up

Blue ring in the middle

Runs above yellow radial nerve

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Q

What is the circular structure?

What are the flat white dots?

What are the protruding yellow dots?

What are the metal protrusions?

A

Madreporite plate

Dermal branchiae

Spines

Pedicellariae

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Q

Name the 11 visible structures

A

Ossicles

Dermal branchiae

Pyloric ceca

Coelom

Ampullae

Ambulacral ridge

Radial canal

Lateral canal

Tube feet

Ambulacral groove

spines

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Q

Name 3 major structures of focus

A

Eye spot

Tube feet

Ambulacral groove

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Q

Explain dorsal to ventral

A

Anus

Rectal ceca

Pyloric stomach

Cardiac stomach

Mouth

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Q

Name the nervous system

A

Yellow ring = nerve ring

Yellow line = radial nerve

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