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In Morin's Competition Experiment, Ponds Contained Tadpoles of Three Species

Question 3

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In Morin's competition experiment, ponds contained tadpoles of three species and a species of newt. Newts in increasing numbers were added to ponds containing the tadpoles. How did the number of newts affect competition among tadpoles?


A) Predation by newts reversed the outcome of competition between the tadpoles.
B) Predation by newts extirpated tadpoles in the ponds.
C) Predation by newts had no effect on tadpoles in the ponds.
D) Predation by newts equalized tadpole survival between the tadpoles.

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