Lamark theory of evolution: (theory of inheritance of acquired characters)
MECHANISM OF EVOLUTION:
Hugo de Vries theory of mutation differs from Darwin’s theory of natural selection?
Evolution means changes that occur in population over a time. Modern theory of evolution of man proposes that humans and apes derive from ape like ancestor that lived on earth few million years ago.
Adaptive radiation is the diversification of an ancestral group of organisms into a variety of related forms specialized to fit different environment. Darwin's finches and australian marsupial are its example.
Hardy weinberg principle states that the frequencies of alleles and genotype will remain same through the generation as long as there are no evolutionary influences. There are five factors which affect hardy weinberg principle.
Following are the evidences of evolution which includes paleontological evidence, biochemical evidence, anatomical and morphological evidence. Homologous structure are the result of convergent evolution and analogous structure are the result of divergent evolution.
Life was originated about 20 billion years ago. Big bang theory explain the origin of universe. Louis pasteur performed an experiment to explain the origin of life, he daid that life arise