Select the scenarios that describe an abiotic factor that is density independent. Select the TWO answers that are correct. A fire rages through the land, destroying many habitats. Trees that provide food for moose die off from a parasite infestation. An increasing wolf population requires more food to support its numbers. Many inches of snow fall and cover the ground and trees. A virus that targets moose spreads throughout the moose population.
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Abiotic factors are density independent as they can affect the population regardless of its density. From the given scenarios, the two that describe an abiotic factor that is density independent are: Show more…
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Select the scenarios that describe a biotic factor that is density dependent. Select the TWO answers that are correct. 1. Fir trees grow in number, increasing the amount of food available for moose. 2. Heavy and continuous rains flood the land, submerging habitats. 3. Lightning strikes a tree and begins a fire that clears the land. 4. Ticks infesting moose weaken the moose's health and reproductive success. 5. Frigid temperatures flow into the area, causing hypothermia and death.
Multiple Choice: Non-living parts of the ecosystem or environment biotic abiotic Living parts of the ecosystem or environment biotic abiotic A factor that causes a population's growth to decrease, and determines the carrying capacity of the ecosystem Invasive species Limiting factor Carrying capacity Competition for resources, herbivory (plant-eating), parasitism, and disease are all examples of density dependent limiting factors. density independent limiting factors. Weather, the presences of an invasive species, and human impacts are all examples of density dependent limiting factors. density independent limiting factors.
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