Which Trait Is the Best Example of an Adaptation

Multiple Choice

Which trait is the best example of an adaptation?

A) A mutation resulting in a heat-resistant enzyme in a bacterium living in a hot spring
B) A shorter neck in a giraffe that lives in an area with many rival males and tall trees
C) A longer tongue in an insect-eating mammal that feeds on insects that live in shallow burrows
D) A new mutation that confers Tay-Sachs disease in humans
E) A mutation resulting in weak branches in a species of tree that lives in windy regions