In competitive species N1 and N2, four individuals of N2 use the same resource as one individuals of N1. According conversion factor, what is the value of per capita competitive effect of N2 on N1(α) and per capita effect of N1 on N2 ( β) respectively?

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#Question id: 9233

#9. Diversity of Life Forms

What is the biggest problem with selecting a site for a reserve?

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#Question id: 9234

#9. Diversity of Life Forms

What is a critical load?

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#Question id: 9235

#9. Diversity of Life Forms

Agricultural lands frequently require nutrient augmentation because ________.

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#Question id: 9236

#9. Diversity of Life Forms

Which of the following outcomes is caused by excessive nutrient runoff into aquatic ecosystems?

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#Question id: 9237

#9. Diversity of Life Forms

Which of the following factors causes extremely high levels of toxic chemicals in fish-eating birds?

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#Question id: 9238

#9. Diversity of Life Forms

Which of the following is a consequence of biological magnification?