"Acidic" is an appropriate description for four of the following. Which one is the exception? A). Soup and ammonia

B). HCI

C). Excess hydrogen ions

D). The contents of the stomach

E). A pH less then 7

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.

Which of the following are not included as modern mammals that evolved during the eocene epoch? primates artiodactyls perissodactyls none of the above

In which part of the body is a ball-and-socket joint found?