In a study of tree dispersion in a forest, we divided the forest into 1 sq km grid cells, choose 50 of them at random, and counted the number of trees in each cell. The means to variance ratio of the counts of trees per cell was much less than 1. What does this tell us about the spatial distribution of the trees?

TLS Online TPP Program

#Question id: 12146

#Section 2: Evolution

Which of the following is not a density-dependent factor? 

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#Question id: 10739

#Section 1: Ecology

 A rat that is "maze-dull"

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#Question id: 10675

#Section 1: Ecology

Which of the following pollinating agents is correctly matched with the type of plant it helps pollinate?

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#Question id: 4584

#Section 2: Evolution

When Cuvier considered the fossils found in the vicinity of Paris, he concluded that the extinction of species ________.

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#Question id: 7460

#General Aptitude

How many times do the hands of a clock coincide in a day ?