Brittle Star-Echinoderm Group 1

http://prezi.com/tabuuixl18c7/echinoderm-vodcast-final/

Play with a 4 second delay

Q1: Where was the regeneration rate the greatest?

a) The distal end of the arm

b) The proximal end of the arm

c) The disc

d) There was no difference in regeneration rate

Q2:  Arm explants regenerated faster than whole-animal arms.

a) True

b) False

Q3: As arm length loss increases, regeneration rates ____?

a) Stay the same

b) Decrease exponentially

c) Increase exponentially

d) None of the above

Q4: The brittle star uses its arms for everything EXCEPT

a) Collection and transportation of food

b) Ventilation and Respiration

c) Transportation of sediments and wastes out of the burrow

d) Communication

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