A(n) is a one-celled organism formed by the union of a sperm and an egg.

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.

Where can you find prokaryotic and eukaryotic cells?

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun