Assume that the trihybrid cross AA BB RR X aa bb rr is made in a plant species in. What proportion of F2 progeny would be expected to be homozygous for all three genes when independently assort?

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#Question id: 10645

#Section 1: Ecology

The logistic equation above is used to describe the rate of change of a population, N, with time, t, where r is the intrinsic rate of increase and K is the carrying capacity. dn/dt is isoclines when 

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#Question id: 10618

#Section 2: Evolution

Which of the following characteristic of an early community?

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#Question id: 12583

#Section 5: Applied Ecology & Evolution

Which of the following is caused by excessive nutrient runoff into lakes?  

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#Question id: 11173

#Section 2: Evolution

Chemical signals between individuals of the same species are called

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#Question id: 10239

#Section 1: Ecology

Two species of barnacle, balanus balanoides and Chthamalus stellatus, occur in the intertidal regions of Scotland. As following

 Which of the following statements is correct?