These are the basic building blocks of all living things. * A. DNA
B. Cells
C. Genes
D. Chromosomes

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.

Explain the significance of the increased cell specialization of the volvocine line

Why is it important to study each branch of earth science?