Identify the biotic factors in the environment

shown. Check all that apply.

Which element is found in both dna and proteins

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 the following types of rock would most likely contain a fossil? slate granite lava rock limestone