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which of the following best describes the pattern in the atmospheric co2 concentration data over the past 200,000 years? responses the concentration of co2 fluctuate between 150 ppm and 250 ppm. the concentration of c o 2 fluctuated between 150 parts per million and 250 parts per million . the concentration of co2 fluctuate between 150ppm and 250 ppm until recently, when the concentration rose exponentially. the concentration of c o 2 fluctuated between 150 parts per million and 250 parts per million until recently, when the concentration rose exponentially. the concentration of co2 remained constant at first from 200,000 years ago until 50,000 years ago, and then began a steady decline. the concentration of c o 2 remained constant at first from 200,000 years ago until 50,000 years ago, and then began a steady decline. the concentration of co2 rose exponentially to 400ppm and leveled off at carrying capacity.

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Before recently, the CO2 levels varied between 150 ppm and 250 ppm before rising dramatically.

Which successional stage is the oldest?

The forest, sometimes known as the climax stage, is the first stage of a succession performance. A lichen is an example of an early species that can be found in habitats like a forest.

What caused the environment of the peppered moth to alter, and how?

Urban tree trunks and buildings had turned black due to sooty air pollution brought on by industrialization and home coal fires, which also killed out lichens. Thus, the melanic form of the moth was better hidden and more likely to live and create progeny, whereas the pale form was now more visible to predators.

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