Hypothetical patterns of change in the relationship of plants and their endophytic symbionts along a gradient of increasing abiotic stress, which of the following is correct? 

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#Question id: 11765

#Section 1: Ecology

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: 9569

#Section 1: Ecology

Certain thermophilic bacteria live in hot springs at temperatures close to the boiling point of water. What challenges do such bacteria overcome successfully?

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#Question id: 10575

#Section 2: Evolution

If the per capita birth rate (b) and per capita death rate (d) in one year is 0.80 and 0.20 respectively. if the initial population size is 600, what will be net change (dN) in population size in one year

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#Question id: 10857

#Section 1: Ecology

Cowbirds never make nests, never incubate their eggs, and never care for their young. Instead they lay their eggs in the nests of host species, which either reject the egg or care for it and the young that hatches as their own. The cowbird is an example of a(n)

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#Question id: 16776

#Section 3: Mathematics and Quantitative Ecology

If the Mean and Mode are 25, then find the Median.