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 does Echinodermata mean?
|
Spiny Skin.
|
|
|
Adult symmetry?
|
Radial.
|
|
|
Larvae symmetry?
|
Bilateral.
|
|
|
Function of the tube feet?
|
Locomotion, feeding and gas exchange.
|
|
|
Dioecious?
|
Separate sexes.
|
|
|
Fertilization?
|
External.
|
|
|
They are (similar to humans)?
|
Deuterostomes.
|
|
|
5 part symmetry?
|
Pentaradial.
|
|
|
What do they lack?
|
Brain, heart and respiratory system.
|
|
|
What type of skeleton, do they sort of have?
|
Endoskeleton.
|
|
|
CRINOIDEA?
|
Sea lillies and freather stars.
|
|
|
OPHUIROIDEA?
|
Brittle stars and basket stars.
|
|
|
ASTEROIDEA?
|
Sea Stars.
|
|
|
ECHINOIDEA?
|
Sand dollars and Sea Urchins.
|
|
|
HOLOTHUROIDEA?
|
Sea cucumbers.
|
|
|
Asteroidea can do this, none other class can...
|
Regenerate.
|
|
|
Ophiuroidea dont have _____ on their tube feet.
|
Suckers.
|
|
|
How do Ophiuroidea move?
|
Lashing there flexible arms.
|
|
|
Echinoidea lack what?
|
Arms.
|
|
|
How many rows of tube feet do Echinoidea have?
|
5.
|
|
|
Function of "Aristottles Lantern"? Pertains to what Class?
|
Jaw-like structure. Echinoidea.
|
|
|
Definition of Sessile? What class does it pertain to?
|
Un-moving. Crinoidea.
|
|
|
Holothuroidea lack?
|
Spines.
|
|
|
How many rows of tube feet to Holothuroidea have?
|
5/
|
|
|
Evisceration? What class does it pertain too?
|
Pushing gonads out anus. Holothuroidea.
|
