TLS Online TPP Program

#Question id: 4701


Charles Darwin discussed all of the following EXCEPT:

#Unit 11. Evolution and Behavior
  1. Natural selection tends to remove those organisms that are poorly adapted to their environments.

  2. Individuals in a population compete with one another for limited resources.

  3. Gene mutations are the source of variation for evolution.

  4. Organisms tend to produce more offspring than can survive in each generation

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TLS Online TPP Program

#Question id: 10682

#Unit 10. Ecological Principles

if 30 individuals of species 2 take up the same amount of resources as 5 individual of species 1 then the per capita competitive effects on species 1 of species 2 is

TLS Online TPP Program

#Question id: 10683

#Unit 10. Ecological Principles

Which of the following interaction shown in figure

TLS Online TPP Program

#Question id: 10684

#Unit 10. Ecological Principles

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 10685

#Unit 10. Ecological Principles

figure show population growth in two species A ana B . Interaction between


 

TLS Online TPP Program

#Question id: 10686

#Unit 10. Ecological Principles

 Following figure are shown figure of predator prey model 


Following some observation are given

A) The number of prey, N, increase at low predator densities, P, and decrease at high predator densities

B) Prey zero isoclines is depends on the ratio of the growth rate of prey to the capture efficiency of the predators

C) Number of predator needed for prey isoclines is depends on the ratio of the death rate of predators to the conversion efficiency of predators

D) Number of predator for prey isoclines depends on the ratio of the death rate of prey to the conversion efficiency of predators

Which of the above observation are true?


TLS Online TPP Program

#Question id: 10687

#Unit 10. Ecological Principles

V(t) and E(t) are, respectively, prey density and predator density at time t. The densities have dynamics


What will the positive equilibrium densities of both predator and pray at isocline