Ephemerellid Mayflies Under Attack by Stoneflies Will Typically

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.