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Trout and Eels Have to Move Efficiently Through Their Watery

Question 32

Multiple Choice

Trout and eels have to move efficiently through their watery environment.The difference between how a trout and an eel move through water is

A) the eel pushes against the water with the posterior portion of its body while the trout uses its entire body for pushing against the water.
B) the trout pushes against the water with the posterior portion of its body while the eel uses its entire body for pushing against the water.
C) the eel uses only its dorsal fin while the trout uses it pelvic and dorsal fin for pushing through the water.
D) the eel alternates from anterior pushing to posterior pushing with its body while the trout uses only its posterior body.
E) the eel is able to move more efficiently because of its thick slime coating which the trout does not havE.

Correct Answer: