2013 Hyundai Elantra Limited 4 Cyl 1.80L. Steering & Suspension - by Jenna Smith 10/7/2016. Thrumming and vibration under feet when driving Last week I noticed that my car started to have a thrumming noise and a vibration under my feet when driving over the speed of about 20 mph.
Adaptation - Definition. Any alteration in the structure or function of an organism or any of its parts that results from natural selection and by which the organism becomes better fitted to survive and multiply in its environment. Traits - Definition.
The big issues. Adaptation. An adaptation is a feature that is common in a population because it provides some improved function. Adaptations are well fitted to their function and are produced by natural selection. Adaptations can take many forms: a behavior that allows better evasion of predators, a protein that functions better at body temperature, or an anatomical feature that allows the organism to access a valuable new resource â all of these might be adaptations.