Which of the following statements is true?
both prokaryotic and eukaryotic organisms can have one or more cells.
prokaryotic organisms are always unicellular, but eukaryotic organisms are always multicellular.
prokaryotic organisms are always unicellular, but eukaryotic organisms can be either unicellular or multicellular.

Which of the following explains why a tree is often used as a model to represent the principle of common descent

Why are human population trends difficult to predict?

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.