More oxygen becomes available in the water helping the marine or freshwater creatures live. <span />
The four postulates of the natural selection include.
1. individuals possessing particular traits are have higher likelihood of surviving and reproducing.
2. different individuals in a population have different traits
3.reproductive and survival rate vary with individuals in a given population.
4. some trait differences are inheritable.
The nurse should suggest to this client to <span>Withhold beverages for 30 minutes before and after eating to improve her intake.</span>