Density Dependent Factors Limiting Population

Q. Which of the following is an example of indirect method of estimating the population density?

1. Number of fish caught per trap
2. Considering the biomass of the organisms
3. Estimating the population density of tigers based on pug marks and faecal pellets
4. Counting the total number of birds in a bird sanctuary

Q.

Parasitic disease is ___ limiting population.

1. August 11

2. June 11

3. July 11

4. September 11

Q. Which of the following scenario is NOT a result of increased population density?

1. Small feeding circles for flamingoes
2. Wildfires in a forest
3. Birds fighting for nesting sites
4. Landslides