What can we NOT learn from the fossils found in rock strata? A. when a species became extinct

B. the exact age of each individual fossil

C. the diversity of organisms at a certain location or during a certain time period

D. how a type of organism has changed over time

answers are:

lysogenic     viral dna merges with host cell dna

lysogenic     no symptoms

lytic               viral dna takes over

lysogenic     virus does not destroy host cell

lytic               virus destroys host cell

lytic               induces symptoms of viral infection

lysogenic       cell reproduces and spreads provirus

synapse nervous system