Fossils provide a record of animals that are ___ or no longer living A. Petrified

B. Extinct

C. Modern

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above