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Author Archives: Anonymous

Consider the environmental factors that change between the t…

Consider the environmental factors that change between the top and the bottom of a deep aquatic ecosystem. Typically, there are more phytoplankton at the…

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Plants that can survive through winters and sustain themselv…

Plants that can survive through winters and sustain themselves for more than one growing season are called…

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Which river habitat adds dissolved oxygen to the water?

Which river habitat adds dissolved oxygen to the water?

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A lake that receives a lot of runoff from agricultural field…

A lake that receives a lot of runoff from agricultural fields will likely become…

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Imagine that you are a forest manager starting a new job. It…

Imagine that you are a forest manager starting a new job. It’s the middle of a very dry summer, and it hasn’t rained in two months. You conduct surveys and find that the forest is mostly second-growth, with trees growing very close to each other in dense populations. Previous managers have been suppressing fires for decades, and large amounts of woody debris now cover the forest floor. Which of the following options would represent the most responsible way to manage the forest?

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Overgrazing in grasslands occurs when livestock consume the…

Overgrazing in grasslands occurs when livestock consume the __________ of the grasses.

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Greenhouse gasses…

Greenhouse gasses…

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Which layer of the geosphere generates the Earth’s magnetic…

Which layer of the geosphere generates the Earth’s magnetic field?

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Which source of freshwater is least likely to be used as a s…

Which source of freshwater is least likely to be used as a source of drinking water?

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What evolutionary pressures cause certain groups of organism…

What evolutionary pressures cause certain groups of organisms to evolve into specialist species?

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