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: 3427

#Section 2: Evolution

Natural selection can alter the frequency of distribution allele and heritable trait in different following way

A- Accumulation of those mutation that increase fitness of population in changing environment

B- Check accumulation of mutation that lower the fitness of species in unchanging environment

c- occur when population is subjected to divergent selection

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#Question id: 12466

#Section 1: Ecology

Which of the following is a density-independent factor that could limit a population of high-altitude butterflies?

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#Question id: 11512

#Section 2: Evolution

The mortality rate of organisms following a type iii survivorship curve is

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#Question id: 4708

#Section 2: Evolution

The following questions refer to the figure below, which shows an outcrop of sedimentary rock whose strata are labeled A-D. If x indicates the fossils of two closely related species, neither of which is extinct, then their remains may be found in how many of these strata?

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#Question id: 4578

#Section 2: Evolution

Which definition of evolution would have been most foreign to Charles Darwin during his lifetime?