6. Nutritional changes often accompany metamorphosis. List the pre- and post-met

Question

6. Nutritional changes often accompany metamorphosis. List the pre- and post-metamorphic nutritional states of the following organisms. Include any anatomical or physiological changes associated with these changes in dietary life styles.

The African clawed frog, Xenopus laevis.

The Monarch Butterfly, Danaus plexippus.

The red abalone, Haliotis rufescens.

6. Nutritional changes often accompany metamorphosis. List the pre- and post- metamorphic nutritional states of the following organisms. Include any anatomical or physiological changes associated with these changes in dietary life styles a. The African clawed frog. Xenopus laevis. b. The Monarch Butterfly, Danaus plexippus. c. The red abalone, Haliotis rufescens. D'Arcy Thompson's transformation grids aimed to show how a simple mathematical operation could turn a parrotfish (top left) into an angelfish (top right), or Polyprion (bottom left) into a big-eye (bottom right). Thompson did this with mathematical formulas. In the real world that we've been studying, how do different animals achieve these different shapes? Think about what we've said about Darwin's Finches, about whale fore- and hindlimbs, whale and human skulls..

Explanation / Answer

In case of the African clawed frog, Xenopus laevis, metamorphosis varies with temperature and the availability of food. It is found that there is a prolonged larval period in the low temperature and low food level. Low food levels reduced the growth level more than low temperature. Low food content reduced the metamorphosis and has the effect in case of shape of juvenile, short legged morphology.

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