Comparative morphology

compares the embryo development of organisms of different species

compares the anatomy of organisms of different species

organizes fossils into a timeline of organism evolution

analyses the similarities and differences between organisms of the same species

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