Reading...
Play button
Play button
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;
25 Cards in this Set
- Front
- Back
|
What type of symmetry do the classes of Phylum Echinodermata have?
|
Classes Asteroida Ophiuroidea and Crinoidae have bilateral symmetry in the larval stage and radial in adult stage. Class Holothuroidea has bilateral and Class Echinoidea has radial. |
|
|
How many tissue layers are present in Phylum Echinodermata?
|
All classes have 3 tissue layers
|
|
|
Would Phylum Echinodermata be classified as coelomate or acoelomate? |
All classes are coelomate. |
|
|
What type of digestive openings do organisms in Phylum Echinodermata have? |
All classes have a TWIT gut with 2 openings
|
|
|
Do organisms in Phylum Echinodermata have a circulatory system? |
No they have a Water Vascular System |
|
|
What is the habitat that organisms from Phylum Echinodermata occupy? |
All classes are aquatic |
|
|
Do organisms in Phylum Echinodermata have a respiratory system? |
No all classes have a water vascular system.
|
|
|
Do organisms in Phylum Echinodermata have an excretory system? |
No all classes have a water vascular system |
|
|
What is the locomotion present in Class Asteroida? |
They use their water vascular system and tube feet to move. |
|
|
What is the locomotion present in Class Ophiuroidea? |
They use their arms to move |
|
|
What is the locomotion present in Class Echinoidea? |
They use their tube feed or spines to move around. |
|
|
What is the locomotion present in Class Holothuroidea? |
They use their tube feet to move |
|
|
What is the locomotion present in Class Crinoidea? |
They are mainly sessile. |
|
|
What is the support system present in Phylum Echinodermata? |
All classes have an endoskeleton. |
|
|
Are organisms in Phylum Echinodermata considered segmented? |
Not really but some do have a central disc like structure. |
|
|
Is there a nervous system present in Phylum Echinodermata? |
Yes, all classes have a nerve net or a nerve ring with radial nerves. |
|
|
What are the reproductive strategies present in Phylum Echinodermata?
|
All classes have separate sexes and reproduce sexually. |
|
|
What is important to remember about organisms form Phylum Echinodermata? |
They are non-chordate Deuterostomes. |
|
Classify this.
|
Phylum Echinodermata, Class Asteroidea, Sea star.
|
|
Classify this.
|
Phylum Echinodermata, Class Crinoidea, Feather Star.
|
|
Classify this.
|
Phylum Echinodermata, Class Echinoidea, Sand Dollar.
|
|
Classify this.
|
Phylum Echinodermata, Class Holothuroidea, Sea Cucumber.
|
|
Classify this.
|
Phylum Echinodermata, Class Ophiuroidea, Brittle Star.
|
|
Classify this.
|
Phylum Echinodermata, Class Echinoidea, Sea Urchin.
|
|
Classify this.
|
Phylum Echinodermata, Class Ophiuroidea, Brittle Star.
|
