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pre-test of ch.50 for campbell AP Biology

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1 . ????? Which of the following investigations is not an example of the study of a biotic factor? (Concept 50.1???) [Hint] ? identifying food sources for an egret population ? observing interactions among various organisms in a rainforest canopy. ? investigating how the amount of annual precipitation affects a tree species ? investigating how an elk population competes for food ? All of the above are examples of possible biotic factor investigations. 2 . ????? A researcher is investigating how individual foxes are coping with the destruction of part of their habitat due to construction of a new highway. Which area of ecology is this researcher focusing on? (Concept 50.1??) [Hint] ? organismal ecology ? population ecology ? community ecology ?

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