What process (mitosis or meiosis) do pollen and egg cells undergo?

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Asap what occurs after cytokinesis is completed at the end of meiosis 1?

18. which statement about cancer is true?