Ethics Explained
The animal that people love to collect for their beautiful shells?
What is Triton's Trumpet?
Asteroidea, in particular, can reproduce this way
What is asexually?
Young echinoderms have this kind of symmetry
What is bilateral symmetry?
Sea stars hunt using this
What is their sense of smell?
This causes a painful wound
What are sea urchin spines?
The animal that has decimated kelp forest and kept them from growing back
What is the Purple Sea Urchin?
Some members of this class can use their leafy arms to swim through the water
What is Crinoidea?
Echinoderms have this kind of digestion
What is an alimentary canal?
This animal is a keystone species
What is a sea star?
The pedicellariae causes a poke from sea urchin spines to be this
What is poisonous?
This problem involves the Crown of Thorns Sea Star
What is people over-harvesting Triton's trumpet?
These animals make up the class Echinodermata
What are sand dollars, sea urchins, and sea biscuits?
Echinoderms reproduce this way
What is sexually and externally?
This animal's mouth is called Aristotle's lantern
What is a sea urchin?
You should do this second when you are poked by a sea urchin
What is immerse the wound in hot water?
This animal's population was significantly affected by a disease and it was a major predator of the Purple Sea Urchin
What is the Sunflower Sea Star?
This provides support for the sea cucumber
What are thick layers of muscle?
The water vascular system eliminates the need for this because it pumps water throughout the body
What is blood?
Sea cucumbers are a good indication of this because they often end up consuming it
What is pollution?
These are symptoms of getting poked by a sea urchin
What are redness and swelling?
The Crown of Thorns Sea Star is devouring this
What is reef?
These animals can only have five arms
What are brittle stars and basket stars?
The opening to a water vascular system is called this
What is a madreporite?
The brittle sea star's body is covered in these
What are photoreceptors?
By doing this you can avoid being poked by a sea urchin
What is use proper vigilance while swimming?