What makes an organism fit for its environment is any trait that helps it survive the longest, even if it doesn't reproduce.

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.

In which state was more than 100 billion tons of coal mined in 2005?