Which best describes viruses?
a. viruses are nonliving infectious agents.
b. viruses can replicate without a host cell.
c. viruses can be killed by strong antibiotics.
d. viruses are similar to bacterial cells

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Which of the following typically characterizes a tropical rainforests

Which type of respiration takes place when there is no oxygen present