Select the Scenarios That Describe a Biotic Factor That Is

Select the scenarios that describe a biotic factor that is density dependent.Select the TWO answers that are correct.

A) Fir trees grow in number,increasing the amount of food available for moose.
B) Heavy and continuous rains flood the land,submerging habitats.
C) Lightning strikes a tree and begins a fire that clears the land.
D) Ticks infesting moose weaken the moose's health and reproductive success.
E) Frigid temperatures flow into the area,causing hypothermia and death.