Natural selection: the process by which individuals with certain heritable traits tend to produce more surviving offspring (increasing its fitness) than do individuals without those traits, often leading to a change in genetic makeup of the population (increasing variation)…
The basic idea of natural selection is that a population of organisms can change over the generations if individuals having certain heritable traits leave more offspring than other individuals. The result of natural selection is evolutionary adaptation, a prevalence of inherited characteristics that enhance organisms’ survival and reproduction in specific environments.…
As a result of natural selection, a population—a group of individuals of the same species living in the same place at the same time—can change over generations. Natural selection leads to evolutionary adaptation, a population’s increase in the frequency of traits suited to the environment (Simon, Reece, Dickey, 2010).…
Today, natural selection is defined as the process whereby organisms better adapted to their environment tend to survive and produce more offspring. Darwin and Wallace are best known for their efforts in discovering how organism evolve and reproduce. In the late 1800s Wallace developed an understanding of how organisms are the way that they are. Following in Darwin’s footsteps, Wallace set out at sea to explore different islands. He concluded that Islands that are near each other tend to have similar but distinct animals living on them. Also, that certain organisms have specific geographic ranges but that organisms that are more similar, tend to live closer together. Throughout his travels, he found that on the Malay Archipelago Birdwing butterflies…
* natural selection-The process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species.…
Natural selection describes how the evolution of a species is determined by the traits they develop to survive. Because a species develops specific traits the structural formation of…
Natural selection is the process by which organisms with variations most suited to their local environment survive and leave more offspring. Natural selection “drives” evolution.…
Natural selection is a mechanism for the evolution of a population to become better adapted to their local environment over many generations. As we explore how natural selection works, pay attention some of its main principles: variation, overpopulation, adaptation, and descent with modifications.…
The well known ecologist Charles Darwin exhibited the hypothesis of natural selection. He went on numerous trips to the wildlife, taking after his interest of the nature and the change that happens in the nature. After examining different kinds of living organisms, he clarified Natural Selection as "preservation of favorable variations and the rejecting of injurious variations."(900). Darwin utilized relations and demonstrations to show that distinctive changes happened in the same specie, which assisted them with adapting to their environment.…
- The theory of Natural Selection: the process in which individuals that are better adapted to their environment survive and reproduce more successfully than less adapted individuals. Their environment selects the traits.…
Darwin’s theory of natural selection is not supported by the geological or fossil record, since there have been little to no remains of intermediate species found in fossils. Darwin explains this by using the imperfection of the geological record, as changes in land over time means that species will often not be preserved in a way that can be studied by scientists. He also references Charles Lyell’s Principles of Geology, which states that the earth’s surface is constantly changing, as evidenced by the degradation and deposition of landmasses. These changes happen slowly, over hundreds of millions of years, implying that life has been present of a long time, and the number of fossils found is a miniscule amount compared to all the living things…
Natural Selection is when each generation of a species develops new characteristics and adapts more to the environment to survive. This theory of evolution caused some controversy because it contradicted the beliefs of many religious leaders. It also caused scientists studying the field to reevaluate everything that they had learned! Some people tried to use this theory to justify acts like slavery and genocide. Natural Selection was used to imply that these behaviours were natural.…
By definition, natural selection theory is whereby the organisms that have adapted well to the environment can survive even during the times of scarcity and have offspring. The theory involves both competition and cooperation. According to Darwin, competition and cooperation are related to power such that, in life competition will always be there where people and animals must strive for the scarce resources (Darwin 29). During the competition, the strong ones will win and take the power. Cooperation is a key factor during competition. Only those who tend to cooperate with their members have high chances of winning. Also, the interrelationship between cooperation and competition can give rise to power where those who…
Evolution is basically the change in the heritable characteristic or traits in living organisms which are passed from one generation to another and gives rise to diversity at every stage of the organism’s biological organisation. The process of evolution was not well understood until 19th century when Charles Darwin proposed the scientific theory of natural selection as a driving tool in evolution. The process involved both the macroevolution in which organisms went through major evolutionary changes over a long period of time and acquired different traits from different parents or ancestries and the microevolution in which a group of organisms went through minimal changes with time but the traits they acquired were typically from the same ancestor.…
The theory that members of a species each have slight variations from each other, and that these variations have the ability to enable some members of a species a survival advantage in certain environments. As a result of having a variation that increases their likelihood to survive, they are allowed to propagate, and their offspring have an increased likelihood of survival with the passage of the variation. Other members of the species who lack the variation die, and over time the only surviving members of the species are the ones who possessed the variation that gave them the survival advantage.…