The excretions of living organisms are best categorized as which type of factor in an environment?

What role do traits play in affecting an organisms ability to reproduce? finches

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

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.