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.
It is very simple: 1  Evolution is âdescent with modificationâ Populations of organisms change over the course of generations. 2  Adaptation is the result of one of the means of modification. Adaptation is the result of natural selection. Adaptations are the designs in plants and animals: eyes for seeing, oxidative phosphorylation for generating energy, flagella for movement, lungs for breathing, etc. There are other ways to modify populations over generations.