A Population of N1 species is growing with N2 species with a growth rate (r1) of 0.15 in an environment with a carrying capacity K1 of 400, Density of N1 species 100, density of N2 species 50 competitive efficiency of N2 on N1 species 1.5. What is the approximate growth rate N1 species?

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#Question id: 8852

#Section 2: Evolution

The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common ancestor at about the same time. Which of the following is the most likely explanation for these data?

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#Question id: 10622

#Section 1: Ecology

For a species having logistic growth, if K = 4000 and r = 0.25, the maximum growth rate will be

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#Question id: 10578

#Section 2: Evolution

The population of annual breeder growing at a rate of 10% per year. Initial population size is 1200. After 3 years population size would be

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#Question id: 12574

#Section 5: Applied Ecology & Evolution

According to the small- population approach, what would be the best strategy for saving a population that is in an extinction vortex?

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#Question id: 12414

#Section 1: Ecology

On a life table lx represents the ______ and ex represents ______.