You'll find sagging floors primarily on poorly constructed homes, raised framed foundations or on homes built before the late-1940s post-war boom. With age or termites, support joists can weaken or posts sink into the ground, especially when only supported by a pile of rocks or bricks.
âº a gradual process of change and development. âº biology Evolution is the process by which the physical characteristics of types of creatures change over time, new types of creatures develop, and others disappear. (Definition of âevolutionâ from the Cambridge Academic Content Dictionary Â© Cambridge University Press)
Best Answer: 1. Evolution is defined as the change in the allele frequency in a population. Or in simpler terms, the change in the heritable traits in a population (such as a species) over time. Or in even simpler terms ...*evolution is change* (but change in a *species* over time, not an individual. However, there is also something called the theory of evolution (or TOE).irst evolution itself is not a theory, the theory of evolution for the development of species is a theory. Second, a theory means that it is an explanation. It has nothing to do with whether is has been proven. Nothing can be proven in science by definition.