If there were no fitness differences among genotypes and no new mutations, the amount of genetic variation in an isolated, finite population would ultimately: a. increase through genetic drift b. become a stable polymorphism c. be maintained due to the absence of selection d. become lost due to genetic drift e. become advantageous

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 smallest biological units that can evolve are

In the figure below, which letter points to the structure through which water is lost during transpiration?