What is the correct order of increasing size for the following biological structures
i. the width of a virus
ii. the width of a bacterium
iii. the thickness of a cell surface membrane
iv. the diameter of a eukaryotic cell

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

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.

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates