The population density of a particular insect species was determined to be 15,000 adults per hectare in the summer of 1996, 21,000 adults per hectare in the summer of 1997, and 29,400 adults per hectare in the summer of 1998. Based on these population estimates, what is your estimate of λ, the annual rate of geometric growth?

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#Question id: 7451

#General Aptitude

At what time between 6 to 7 o’ clock minute and hour hand will opposite ?

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#Question id: 16804

#Section 4: Behavioural Ecology

Which of the following is a symptom of altitude sickness?

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#Question id: 10616

#Section 2: Evolution

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?

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#Question id: 9216

#Section 2: Evolution

Which of the following criteria have to be met for a species to qualify as invasive?

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#Question id: 12450

#Section 1: Ecology

What is the size of the human population today?