This happens in every species, including humans. Just by looking around we can see that humanity is not all alike but yet we are still all humans.
Of course - look at the many differences existing between the human race.
Darwin proposed that the differences between species were caused by natural selection, where individuals with advantageous traits are more likely to survive and reproduce, leading to the gradual accumulation of adaptations over time.
Genetic variations, which arise from mutations and recombination of genetic material during reproduction, are responsible for the differences between species and between individuals in the same population. These variations can lead to differences in physical traits, behaviors, and other characteristics among organisms. Additionally, environmental factors can influence the expression of these genetic differences, leading to further diversity within and between populations.
Variations in a species are needed for natural selection to occur because they provide the raw material for evolutionary change. Without variation, there would be no differences for natural selection to act upon, and individuals within a species would be identical. Variations allow some individuals to be better adapted to their environment, giving them a higher chance of survival and reproduction, thus driving the process of natural selection.
Inherited traits among members of a species are influenced by genetic variations and can impact physical characteristics, behavior, and susceptibility to diseases. These differences contribute to genetic diversity within a species and are passed down from one generation to the next through reproduction. Factors such as mutations, genetic recombination, and natural selection can further shape these inherited traits among individuals within a species.
Organism
Individuals of the same species exhibit variations in traits due to genetic differences, environmental influences, and random mutations during the process of reproduction. These factors can lead to differences in physical characteristics, behaviors, and other traits among individuals within a species.
The accumulation of differences between species or populations is called genetic or evolutionary divergence. This process occurs over time as organisms adapt to different environmental conditions or through genetic drift and natural selection.
Individuals in a species show variation, which is a key concept in Darwin's theory of evolution. This variation can arise from genetic differences or environmental influences, and it provides the raw material for natural selection to act upon, leading to the evolution of species over time.
Darwin's theory of evolution suggests that differences between species can result from random mutations and natural selection. Random mutations introduce genetic variations within a population, and natural selection acts on these variations to favor those traits that confer a reproductive advantage, leading to changes in the population over time. This process ultimately drives the divergence of species from a common ancestor.
Homologous structures. ps go to who's the cutest.com and click on the pie button
Mutations introduce genetic variations that can lead to differences in traits among individuals. These differences provide the raw material for natural selection to act upon, influencing the evolutionary processes that drive species' adaptations over time.