The population size of a bird increased from 600 to 700 in one year. If the per capita birth rate of this population is 0.50, what is its per capita death rate?

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#Question id: 12142

#Section 2: Evolution

Regarding the geographic range of a species, which of the following statements is true? 

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#Question id: 11773

#Section 1: Ecology

Which of the following organisms exhibits a pattern of parity quite different from the others?

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#Question id: 10623

#Section 1: Ecology

What is the population growth per unit of time when r = 0.50, N = 100 and K = 1000. What is value of per capita growth rate when population growing at maximum rate?

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#Question id: 9575

#Section 1: Ecology

The warm counter current known as El niño moves southward along the coast of peru each year around christmastime. When this counter current flows strongly, it displaces the cold peru current offshore and results in:

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#Question id: 12101

#Section 1: Ecology

The sum total of an organism's interaction with the biotic and abiotic resources of its environment is called its