Which tunic of an artery is most responsible for maintaining blood pressure and continuous blood circulation? which tunic of an artery is most responsible for maintaining blood pressure and continuous blood circulation? tunica externa tunica intima tunica adventitia tunica media?

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.

Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. explain how this might occur, and if it would be dangerous to the individual. fast.

Which measure of an earthquake depends on how close you are to the focus?