According to the endosymbiosis theory scientists believe that early eukaryotes formed from prokaryotes why do scientists believe that prokaryotes existed earlier than eukaryotes

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

Match each term to its best definition? sedimentary depositional enviornment

Which structure in the cardiovascular system connect arteries to veins?