Ephemerellid Mayflies Under Attack by Stoneflies Will Typically

question 27

Multiple Choice

Ephemerellid mayflies under attack by stoneflies will typically

• A) swim away to escape possible predation.
• B) rely on their cryptic coloration to escape detection.
• C) rely on their spiny appendages to deter attack.
• D) adopt a posture which increases their apparent size, so that the predator will avoid them.
• E) burrow into the stream bottom.

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