The compact Toyota Corolla has continually been one of the worldâs best-selling cars. This Asian compact sedan hit the American market in 1969, and 2007 models are still being produced. Reliability, fuel economy, as well as its low purchase price give this compact the edge over the competition.
The premise of Darwin's theory of evolution by natural selection is that all life, from mammals to single celled organisms, is related through descent with modification from common ancestral stock. The mechanism he proposed to explain descent with modification was natural selection.he premise of Darwin's theory of evolution by natural selection is that all life, from mammals to single celled organisms, is related through descent with modification from common ancestral stock. The mechanism he proposed to explain descent with modification was natural selection.
Natural selection is a principle that was first proposed by Charles Darwin and Alfred Russel Wallace. The two biologists noted that organisms which were better adapted to their environment tended to survive longer. Better adapted organisms also tend to reproduce more than less well-adapted organisms.atural selection is a principle that was first proposed by Charles Darwin and Alfred Russel Wallace. The two biologists noted that organisms which were better adapted to their environment tended to survive longer. Better adapted organisms also tend to reproduce more than less well-adapted organisms.