During the cambrian explosion that began the paleozoic era, the new many forms of life that a. lived on land b. were invertebrates that lived in the sea c. were vertebrates covered with scales or fur d. were single celled

Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)