An ecosystem is most likely to return to its original condition after which of these occurs? a new predators are introduced to control a pest population. b a marsh is filled in to make space for a new parking lot. c tall prairie grass burns after being struck by lightning. d flood waters erode the banks of a narrow stream.

a new predators are introduced to control a pest population.

Explanation:

An ecosystem is a biotic community in which the living beings interact with their non-living physical environment and among themselves so as to sustain their lives.

Among the options given the ecosystem is most likely to return to its' original condition after pest infestation when new predators are introduce to control these pests. The ecosystem will come back to the stable state after the pests are irradicated.

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

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.