What are macronutrients

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

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)

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%