A wildfire destroys part of a forest, no matter how many animals live there. This is ______, Density-dependent factor (DD), Density-Independent factor (DI), A hurricane reduces the population of birds in a coastal area. This is _______., Density-dependent factor (DD), Density-Independent factor (DI), As the deer population increases, food becomes scarce and some deer starve. This is ______., Density-dependent factor (DD), Density-Independent factor (DI), What are the Abiotic factors in this image?, Sunlight and soil, Mushroom and Sunlight, Bacteria breaking down dead leaves in soil is a ___________, Biotic Factor, Abiotic factor, What are the biotic factors in this image?, Sun, Fish, Frog, Tadpoles, Flies, waterweeds, Which example best describes a limiting factor?, Unlimited food supply, Enough space for all organisms, A shortage of clean water in a habitat, Perfect weather conditions, Which situation best shows competition acting as a limiting factor?, A drought reduces plant growth, Lions hunt zebras, Two plant species compete for sunlight, causing one to decrease, What is the primary source of energy in an ecosystem?, Sun, Earth, Grass, Moon, A forest area has much less rainfall than usual for several months. Because of this, many plants begin to die. Soon after, the rabbit population decreases, followed by a decrease in foxes. Which answer best explains what is happening in this ecosystem?, The drought only affects the plants and does not affect animals., The drought is an abiotic limiting factor that reduces plant growth, which then affects animals that depend on plants for food., The foxes decreased first because predators are always affected before prey.

2/20 Ecosystem

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