Echinodermata Class: Holothuroidea Flashcards

1
Q

What does Holothuroidea mean?

A

Cucumber form

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2
Q

What organism is in Holothuroidea?

A

Sea cucumbers

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3
Q

What are the differences between Asteroids and sea cucumbers

A

Sea cucumbers: no arms, no pedicellariae, no protruding spines
Asteroids: five arms, multiple pedicellariae, and fixed spine that projects from skeleton

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4
Q

What is the locomotion of sea cucumbers?

A

They ululate their body from side to side to swim and contract their body wall muscles to move

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