1. what animals dominated the mesozoic era? a. dinosaurs b. fish c. mammals d. amphibians 2. one group of reptiles, characterized by the fossil archaeopteryx, led to the evolution of a. dinosaurs b. birds c. mammals d. cephalopods 3. what likely contributed to the extinction that marks the end of the mesozoic era? a. global warming b. a meteorite collision c. an ice age d. none of the above

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.