What most directly enables salmon to swim in a river

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance