Cane toads are large, nonnative, poisonous toads in Australia. After cane
toads entered Austra...
Cane toads are large, nonnative, poisonous toads in Australia. After cane
toads entered Australia, scientists observed that the average head size in a
population of toad-eating snakes was getting smaller. Snakes with smaller
heads are not able to eat the large cane toads. What is this situation called?
A. Directional selection
B. Stabilizing selection
C. Fitness
D. Species richness
Answers: 1
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