Plus get some simple action steps that you can can start taking now to help avoid getting a hernia when working out and lifting weights. First off, a hernia is when some organ material (i.e. a portion of the intestine) protrudes through a weakness in abdominal lining. This weakness is often caused by genetics.
adaptation. 1. the adjustment of an organism to its environment, or the process by which it enhances such fitness. 2. the normal adjustment of the eye to variations in intensity of light. 3. the decline in the frequency of firing of a neuron, particularly of a receptor, under conditions of constant stimulation.
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.