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.
evolution. n. 1. (Biology) biology a gradual change in the characteristics of a population of animals or plants over successive generations: accounts for the origin of existing species from ancestors unlike them. See also natural selection. 2. a gradual development, esp to a more complex form: the evolution of modern art.