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zoology > Echinodermata Class: Crinoidea > Flashcards

Echinodermata Class: Crinoidea Flashcards

1
Q

What does Crinoidea mean?

A

Lily form

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2
Q

What organisms are in Crinoidea?

A

Sea lilies and feather stars

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3
Q

What significant difference separates sea lilies from all the other echinoderms?

A

Sea lilies attach permanently to their substrate by stalk

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4
Q

How is feeding among crinoids different from most other echinoderms?

A

Crinoids use outstretch arms for suspension feeding. Tube feet traps food and cilia in ambulacral grooves carries it to the mouth

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zoology (64 decks)

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