Mammals whose young develop in a pouch on the mother's body are called
placental mammals, monotremes ,marsupials, gymnosperms

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

The fluid mosaic model of the membrane proposed that membranes

Which of the following do all living things have in common