In a plant species, flower color locus either homozygous or heterozygous with genotype RR-red, Rr- pink and rr- white. The Proportional of pink flower in generation 0 is .50.  What is the level of remaining pink flower in a third generation of repeated selfing? 

#Question id: 10750

#Unit 10. Ecological Principles

Which of the following correct this model?

#Question id: 10751

#Unit 10. Ecological Principles

Possible interaction between populations in following manner ,which of the following best represent for negative ineteracion ?

#Question id: 10752

#Unit 10. Ecological Principles

Which of the following is an example of Batesian mimicry?

A) a butterfly that resembles a leaf

B) a nonvenomous larva of a moth that moves like a venomous snake

C) a fawn with fur coloring that camouflages it in the forest environment

D) a snapping turtle that uses its tongue to mimic a worm, thus attracting fish

#Question id: 10753

#Unit 10. Ecological Principles

Which of the following is correct combination? 

#Question id: 10754

#Unit 10. Ecological Principles

Following is different type of interaction was shown in figure. (+: Benefit , - Harm , 0= Neither benefit nor harm) What is interaction between column A & B in each schematic?

#Question id: 10755

#Unit 10. Ecological Principles

For two species A and B in competition, the carrying capacities, competition coefficients, per capita growth rate and population size are

KA = 1000          KB = 1200        α= .5    r A= .3    N1= 500         N2= 200          

According to the Lotka-Volterra model, what is growth rate of species A?