A) What sort of mechanical test was conducted to produce

a) What sort of mechanical test was conducted to produce graph “A” below? Briefly (one to two sentences) explain what is done to the specimen and what is measured during such a test.

b) What sort of mechanical test was conducted to produce graph “B” below? Briefly explain what is done to the specimen and what is measured during such a test.

c) Are graphs “a” and “b” made for the same tissue? How do you know?

d) If a seaweed has a stipe (“stem”) made of material “a”, explain what will happen to the stipe if it is subjected to a tidal current that pulls on the plant for about six hours.