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The number of children born to an average woman in a population during her entire reproductive life is called _____________________.

Seasonal migration allows grazing livestock to

Organisms are physiologically able to minimize some of the effects of toxins if

Photosynthesis is the process of converting __________ into __________ energy.

Plants capturing carbon dioxide from the atmosphere would be an example of

A population would have zero population growth if

Humans alter the sulfur cycle by

In contrast with the ______________, the soil of the ______________ is more nutrient-rich and this type of biome has fewer insects, parasites, and fungal diseases. Therefore, in many places, these areas are highly endangered.

Environmentalism stemming from the publication of Rachel Carson’s Silent Spring differed from earlier North American conservation perspectives by

Environmental science is a