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Herbivory is an example of a ________ interaction.

Kudzu, an Asian vine introduced to the United States in the 1930s as a means to control erosion, is referred to as “the plant that ate the South” because it grows alarmingly fast and overtakes most plant species in its path. A recent and unusual way that some people are using to control kudzu growth is to allow goats to graze their land and eat the kudzu, roots and all. This is considered by some to be the most environment-friendly way to eliminate this invasive vine. How can we best describe the goats in this situation?

All but one of these are causes for increasing carbon dioxide levels. Choose the EXCEPTION.

With regard to nutrient pollution in aquatic ecosystems, when is the worst time to apply fertilizer to your lawn?

An effect of deforestation has been to ________.

The figure below shows the growth curves of two populations of Paramecium, P. aurelia and P. caudatum. From the data, we can conclude that ________.

________ are an example of an invasive species.

Why are most food chains limited to three to five trophic levels?

Which biome is characterized by permafrost?

The structure above is a mature fern gametophyte and is called a/an