General
Echinoderms have 2 tissue layers so they are considered...
What is Triploblastic
Another term for tube feet
What is podia
Class that contains sea stars
What is Asteroidea
A spiny, hard-skinned animal that is shaped like a coin that lives on the sandy sea floor
What is a sand dollar
The stomach which an echinoderm can push out through the mouth
What is a cardiac stomach
The word 'Echinoderm' means this
What is "spiny skin"
Structures at the tip of each arm which respond to light
Ocelli/Eyespots
Class which contains basket stars and brittle stars
What is Class Ophiuroidea?
One of the largest and fastest sea stars in the world
What is the sunflower sea star
Echinoderms have male and females in separate individuals. What is the term for this
What is dioecious
Echinoderms are bottom-dwelling animals that live on the ocean floor. This term is
What is benthic
The sieve-like, disc shaped opening on the aboral surface of the body
Class which contains sea biscuits, sand dollars, and sea urchins
This sea star has dark brown pointy tubercles or horns all over the top of it for protection
What is the chocolate chip sea star
Sea cucumber expelling its internal organs
What is evisceration
Echinoderms are not found in freshwater because they are unable to do
What is osmoregulation
These are designed to capture and rupture any bacteria cells that travel into the water-vascular system
What are Tiedemann's bodies
Class which contains sea cucumbers
What is class Holothuroidea
This group of echinoderms differs from other groups by being attached during a substantial part of their lives
What are crinoids
What is pentameral
What is 20
Pincer-like appendages used for protecting and cleaning the surface of the body
Class which contains sea lillies and feather stars
What is class crinoidea
What are feather stars
The name of the long digestive glands in each arm of a sea star
What is the pyloric caeca