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What rabbit population as an example to explain Darwin's theory of the evolution by natural selection?
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People with one sickle cell allele are not likely to get a malaria what is this an example of?
It is an example of Natural Selection, Modern Theories of Evolution.
What is an example of micro evolution?
You are an example of human micro-evolution as the population of humans has changed allele frequency over time. Micro-evolution is just evolution; change over time.
What is Darwins theory of evolution?
Darwin's theory of evolution is basically 'Survival of the Fittest" or "Natural selection." Genetic mutations occur in every species. Sometimes these are beneficial. For example a calf born more muscular than the rest will be more likely to mate and consequently pass on his genes to hisall organisms have been living for millions of years. change over time.Darwin's theory of evolution by natural selection. Short and memorable explanation.Natural selection is the nonrandom survival and reproductive success of randomly varying individual organisms.
What is an example of micro-evolution?
Insects have evolved resistance to pesticides is one.
Give five example of common?
evolution. the fossil record. uniformitarianism. the origin of new species. natural selection.
Explain why the evolution of resistance to antibiotics in bacteria is an example of directional natural selection?
All bacteria, as are all organisms, are variants and some of these variants are resistant to antibiotics. So, a population of bacteria, in their immediate environment, are subjected to an antibiotic and most succumb. So, the resistant, survive the onslaught ( are naturally selected ) and reproduce progeny that are also resistant to the antibiotic. So, allele frequency shifts and evolution occurs die to the adaptive change conferred on the progeny population by natural selection.
Describe an example of how natural selection influenced the evolution of a particular species?
a great example is the peppered moth. look up the full story in wikipedia
What explains how variations can lead to changes in a species?
variatio brings about evolutionary change with in species as over millions of years the have to adapt to the ever changing habbitats. take the horse for example millions of years ago it used to have multiple toes.yet over millions of years it has evolved to only have one toe
Is evolution directional?
No, evolution is not directional as the definition is; the change in allele frequency over time in a population of organisms. Google barnacle to see that evolution has no particular direction, but the adaption of the organism to the immediate environment.
What must happen in order for evolution to exist?
Without heredity what use would there be to selection and why evolution? Just take beneficial mutations in the germ line for example. No heredity and nothing to enter the populations gene pool and no evolution. No heredity and there would be no variation in populations and the first environmental challenge would carry your population to extinction.
Darwins theory of evlution?
Darwin's Theory of Evolution states that organisms make small changes over time to adapt to their environment. For example, humans have evolved to be more intelligent and polar bears have a layer of fat to keep them warm.
Describe some things that might happen in a population that would cause natural selection or evolution to cease.?
Only one thing can happen that I can think of: A population could become PERFECTLY adapted to their respective environment. This is extremely rare but it has happened, almost always to ocean creatures. The 'Coelacanth' would be a good example of this.
