What is binary fission?

a. splitting atoms into two nuclei

b. death of an old bacterial cell

c. cell division that produces two daughter cells

d. growth of a new flagellum

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

When analyzing tree rings, what do scientists assume a thin ring indicates?

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime