Reproduction
Ecology
Physiology
Misc.
Classification
100
What type of fertilization do urchins utilize?
External
100
Urchins can be found in
All marine environments
100
An urchins nervous system can be described as a...
nerve ring
100
This picture is showing
Spines and tube feet
100
Sea Urchins belong to which phyllum?
echinodermata
200
How many urchins are needed to make a baby urchin
2
200
What do sea urchins eat?
Kelp, algae, animals, etc.
200
You don't want to get stung by a sea urchin because
Some are venomous
200
The gonads of urchins are more deliciously called..
Uni
200
Sea Urchin symmetry is...
Radial
300
What is a brood pouch?
where some species' females will hold eggs
300
Urchin have destroyed this ecosystem
kelp forests
300
Urchin respiration is achieved via
A water vascular system
300
How much ground can an urchin cover in 12 minutes?
24 inches
300
A characteristic sea urchins share with only chordates.
Deuterostomes
400
A unique way adult urchins protect young
Pheromone cues to hide under them
400
Urchins can survive years without
food
400
How do urchins see?
Light sensitive cells cover their tube feet.
400
It is just a myth that urine can treat this
a sea urchin sting
400
Echinoderms are more closely related to a ______ than it is to other invertebrates.
chordate/human
500
What is this?
A pluteus
500
Factors that have contributed to urchin barrens include
Unchecked growth, weakened kelp
500
Describe Aristotle's Lantern
An urchin's 5 teeth and associated mouth muscles.
500
Come up with a sea urchin dish not mentioned in the presentation and if I can find a recipe you get the points
cool
500
Give an example of an irregular echinoid
sand dollar or sea biscuit