Define population density.

Assertion : A population growing in a habitat with limited resources shows initially a lag phase, followed by phase of accelerated and deceleration and finally as asymptote, when the population density reaches the carrying capacity. Reason : In Verhulst-Pearl Logistic growth, plot of N (population density) at time (t) results in a sigmoid curve.

Define population genetics.

What is ecological density, crude density and population density ?

Give a brief account on ecological density, crude density and population density?

Define population and community.

Define Relative density or specific gravity.

Write short notes on: Population Density

Define ecological density.

Explain population dispersion.