Echiniodems- Holothuroidea Flashcards Preview

Marine Bio > Echiniodems- Holothuroidea > Flashcards

Flashcards in Echiniodems- Holothuroidea Deck (12):
0

Holothuroidea contains

Sea cucumbers

1

Their body structure is

Characterized by a soft fleshy body

2

Why do sea cucumbers have a soft body?

They don't have very many ossicles

3

What is located around te mouth

A ring of podia

4

Sea cucumbers don't have

Arms

5

Sea cucumber expel a mass of sticky tubes from their mouthed of amuses when threatened. This is called Evisceration

This is called Evisceration

6

Sea cucumbers can regenerate

Lost organs

7

Sea cucumbers breath by

Displaying the anal region

8

Rags exchange occurs

Across the membranes of the respiratory tree, which is a branched tube like organ located in the cloaca

9

A common chamber into which the intestinal canal and respiratory tree empty

Cloaca

10

A sea cucumber that is boiled several times and dried is called a

Trepang

11

Sea cucumbers feed by

Trapping bits of food on their feeding tentacles