Because diseases are being naturally selected to resist attack and be better infectors of humans.
The different methods of plant breeding for disease resistance includes seed selection, pedigree selection,recurrent selection,use of natural or artificial induced mutants etc.
Natural Selection and Sexual Selection has made a peacock 'special'.
Charles Darwin
Natural selection is survival of the fittest, while sexual selection is a preference for a given trait made by the limiting sex. It is strangely, but usually in opposition to natural selection (E.G., male peacock's tail feathers that garner attention from predators and prevent the peacock from fleeing well).
because he was a famousactor.
Diphtheria is a disease caused by a bacteria. It is entirely natural, unfortunately.
No - natural selection does not create new alleles. Variation in alleles needs to exist in the population in order for natural selection to occur. Natural selection will involve the change in allele frequencies over time, but it does not create new alleles. New alleles are the result of mutations.
God made everything the way that He wanted to, and He made it that way.
Bare Essentials mineral makeup is a selection of makeup products which are made from pure minerals. It aims to have a natural look as it is made from natural minerals.
Answer they aren't made, they're grown. the differant strains come from crossbreeding different species, natural selection and general mutations.
While it might be cost effective to build a few of our most importand buildings to withstand natural disasters, it would not be cost effective to do so for ordinary buildings. Even then, the strcutures we think of as very sturdy are not invulnerable.
no you idiot, we started as micro organisms and fu**ed and developed into someting else and contiued then men and women were made