What is the main function of digestion? breaking down food into forms that the body can use transporting oxygen to the different parts of the body absorbing salts through the villi pumping blood to different parts of the body

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Whay is the following best defines climate

Which best describes what you will do in the reaching your academic potential course?