premise: the ability to find resources has a positive impact on an animal 's survival sent2: a resource is something that is required for survival sent3: finding something requires sensing that something sent4: in order to eat food an animal must find food sent5: feeling is when a living thing senses through touch sent6: an animal needs to eat food for nutrients sent7: an animal / living thing requires nutrients for survival sent8: eating food is used to get nutrients / energy by  animals sent9: whiskers are a part of some fish for feeling.
hypothesis: whiskers have a positive impact on a fish's survival by helping it find food