A simplified example of mating behavior.
If young men wanted old women as mates their genes would be selected out, as they would have few children to pass those genes to, until negative frequency selection reduced these allele in the gene pool. Men who desire young, fertile women as mates leave many descendents that carry the genes for this trait. So, over generations the mating behavior of men is shaped. and stabilizing selection keeps this mating trait/allele at high frequency in the populations gene pool.
Wolves hunting in packs.
wolves hunting in packs
Through ongoing natural selection a population adapts to its enviroment
Darwin was the first scientist to have the courage to put forward the theory of natural selection.
Artificial selection is anthropogenic -- humans interfere with nature to determine what traits get passed on, whereas natural selection is when through sexual reproduction the traits passed on are determined by survival of the fittest.
wolves hunting in packs
Wolves hunting in packs.
change through natural selection
change through natural selection
Adaptation and speciation through natural selection
change through natural selection
Change through natural selection
Yes, penguins, like all animals, have gone through natural selection. Scientific evidence supports this notion.
Through ongoing natural selection a population adapts to its enviroment
Those behaviours that are influenced by heritable factors are subject to natural selection. For most animals, all behaviour is, to some degree, the result of or at least affected by heritable factors.
Charles Darwin contributed to the evolutionary theory through study of natural selection.
because we adopt through evolution. also passing characteristics on their offspring is a key role for evolution.