Geologic time periods are divided by
A. The appearance and disappearance of life forms
B. An equal number of years
C. The amount of sediment
D. All of the above

Works together in the synthesis, modification, packaging, and transport of lipids and proteins

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Which of the following terms would bb represent in an organism? a.phenotype b.genotype c.genetics