Pioneer species are important in ecological succession

In primary succession, pioneer species must be organisms that can live on bare rock. They usually include bacteria and lichens (see Figure below). Along with wind and water, the pioneer species help weather the rock and form soil. Once soil begins to form, plants can move in.

Explanation:

I would say the kind of are but thats my opinion

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