One possible reason the white-furred rats are outnumbering the black-furred rats is that they are better at hiding from predators in their environment. If the area is mostly light, like grass or sand, the white rats blend in and stay safer. Another reason could be that the white rats are more attractive to other rats when it comes to finding mates, so they might have more babies than the black rats.
Imagine you are a scientist observing rats in the wild. As the rats reproduce, rats born with white fur slowly begin to outnumber rats with black fur. In three to five sentences, provide two or more different explanations of why the rats with white fur might be outnumbering the rats with black fur. 5 grade words
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