Define Population and Community.

Define population and biome.

Define : Attennuation in communication

Describe the basic processes that determine population density . Also give the equation for population density .

Write definitions of the following: Population Density

What is community?

_________competition has the potential to alter populations, communities and the evolution of interacting species.

Differentiate between Seral community and Climax community.

Measuring population density in terms of number is sometimes meaningless or difficult to determine'. Explain with examples how population density is determined in such cases.