The Organism in the Environment Quiz
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5 questions, one answer each
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1. What is a population?
- A. All species living in a habitat
- B. All organisms of one species living in a habitat at a particular time
- C. The non-living parts of an environment
- D. The place where an organism lives
2. Why should quadrats be placed randomly when estimating population size?
- A. To make the survey faster
- B. To avoid bias and get a representative sample
- C. Because random placement uses fewer quadrats
- D. To only sample areas with the most organisms
3. Which of these is an abiotic factor?
- A. Competition for food
- B. Predation
- C. Soil pH
- D. Disease
4. A student counts an average of 6 daisies per 1 m2 quadrat in a field of area 500 m2. What is the estimated total population?
- A. 6
- B. 500
- C. 3000
- D. 83
5. A habitat has very high biodiversity. What does this mean?
- A. It contains a very large number of one species
- B. It contains a wide variety of species in reasonably even numbers
- C. It has no abiotic factors affecting it
- D. It has only decomposer species present