Because of their ability to undergo , viruses can rapidly evolve

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

What are two reasons for why a species might disappear from the fossil record?

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant