"Two species of salamander inhabit an island. The habitat on each side of the island is different. One side tends to be wet; the other side tends to be dry. Researchers want to know if the salamanders will survive equally well on either side of the island. Species A lives on the wet side of the island, while Species B lives on the dry side of the island. Researchers develop two artificial habitats, one that simulates conditions on the wet

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andriansp

"Two species of salamander inhabit an island. The habitat on each side of the island is different. One side tends to be wet; the other side tends to be dry. Researchers want to know if the salamanders will survive equally well on either side of the island. Species A lives on the wet side of the island, while Species B lives on the dry side of the island. Researchers develop two artificial habitats, one that simulates conditions on the wet side and one that simulates conditions on the dry side.

Researchers put three salamanders of each species in each of the two different artificial environments. Why would other scientists question the validity of the conclusions based on this setup?"

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WorldCitizen

I can think of why reason why other scientists would question this setup:

there are three salamanders each in each of the environments. This means that the salamanders which are in the different environment could learn some survival skills from the other salamanders, and the other scientists could argue that the result shows that learning skills of the salamanders, not their survival skills.
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