Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
What does the word echinoderm mean? |
Marine Invertebrate |
|
|
What type of symmetry do the echinoderms have? |
Pentaradial |
|
|
What is the function of the madroporite? |
To let in sea water |
|
|
What is the function of the ampullae? |
Provide suction for the tube feet by contracting |
|
|
What is unique about the sea stars genders? |
No external genitalia and multiple sets of gonads |
|
|
What do sea stars eat? |
Mussels |
|
|
What do brittle stars eat? |
Decaying matter and plankton |
|
|
Describe the side of the sea star that has the mouth. |
This is where the mouth, tube feet, and ambulacal groove is located |
|
|
What type of waste do sea stars expel? |
Ammonia |
|
|
What is the Hemal system for? |
Distribution of nutrients to parts of the body |
|
|
What is the function of pedicellariae? |
To clean the surface of the organism |
|
|
What class do basket stars belong to? |
Class Ophiuroidea |
|
|
What structure do sea stars use for locomotion? |
Tube Feet |
|
|
What class do sea cucumbers belong to? |
Holothuroidea |
|
|
What creatures belong in the echinodea class? |
Urchins and sand dollars |
|
|
Which echinoderm contains venom that may be deadly to humans? |
Urchins |
|
|
What fluid is located in the vascular system of echinoderms? |
Coelomic fluid |
|
|
What structure do sea cucumbers use to breathe? |
Respiratory trees attached to rectum |
|
|
What class do sea lilies belong to? |
Crinoidea |
|
|
What are the most primitive class of echinoderms? |
Crinoidea |
|
|
Attached crinoids are called? |
feather stars |
