Some animals can become trap-happy, particularly if the traps are baited with food. This would result in an underestimate of the population size.

TLS Online TPP Program

#Id: 9213

#XL - T Zoology

Probability of being heterozygote in given population

H = 1 - 1/2N

TLS Online TPP Program

#Id: 9214

#XL - T Zoology

Effective population size(Ne)

Effective number of breeding adults in a population.

TLS Online TPP Program

#Id: 9215

#XL - T Zoology

Some factor determine Ne

1.Sex ratio.

2.Variation between individual in reproduction success.

3.Fluctuation in population size.

4.The age structure of the population.

5.Mating is random.

TLS Online TPP Program

#Id: 9216

#XL - T Zoology

Ne = Male + Female  (when both are equal)

Ne = 4 × n(male) × n(female)/n(male)+n(female) 

(When both unequal Ne is smaller than then sum of both)

TLS Online TPP Program

#Id: 4685

#XL - T Zoology

Social behaviour includes all kind of interaction between individuals of the same species.

TLS Online TPP Program

#Id: 4686

#XL - T Zoology

Interactions are classified by how they affect the fitnesses of the two individuals.