Answer: Activation Energy.
Explanation: ...
Answer:
Explanation:
If however, the data does not support the hypothesis or refutes it, then the hypothesis is in trouble, and we have to come up with a different hypothesis to explain the observations. If a large body of data supports the hypothesis, then it becomes a theory.
This is survival of the fittest. So because of the drought there was no more food supply for the long necked tortoises thus causing them to die off and not be able to reproduce and pass of their gene for long neck. Where as for the short neck tortoises there was enough food for them to survive and thus being able to reproduce and pass on their gene for the short necks.
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Fish can survive under the ice of a pond or lake for a few months. In the fall, they feed heavily, storing up food energy to survive until spring. Also, like reptiles and amphibians, their bodies slow down in cold temperatures. The fish may not find much to eat under the ice, but they will not need much food.