Bullfrogs attract mates with loud calls in the evenings. Cranes attract mates by "dancing"—flapping their wings, jumping, bobbing, and even tossing sticks. © Lyn Topinka, used with permission What is the same about the way bullfrogs and cranes attract mates?
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A. They both attract mates with their bright colors.
B. They both attract mates with their calls.
C. They both attract mates with certain behaviors.
D. They both attract mates with the way they look.