1. Which of these is the correct definition of a population?
2. The number of individuals of a specie per unit area of the habitat can best be described as __
3. In an ecological study, the total number of individuals of the same specie in a given area at the same time can be described as ____
4. Which of the following group of factors is completely abiotic
5. Seccho disc is used to measure ___
6. An ecological instrument used for the collection of small insects from soil, crevices,etc is called ____
7. Which of the following factors is not biotic?
8. The most important ecological factor in a terrestrial environment is ___
9. Wind speed is measured with which instrument
10. Which of the following ecological factors causes food shortage?
1a. List and explain five instruments used in measuring ecological factors
2a. State five factors that affect population
3a. Differentiate between heterotropism and autoteopism
