I asked my dad about my grandfather and he said “ he died like a dog” om

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

Which of th following is needed for cellular respiration to occur

What is the function of the nucleus in the euglena cells you observed?