Populations, habitats and ecological study Quiz
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5 questions, one answer each
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1. All the organisms of one species living in a habitat form
- A. a community
- B. an ecosystem
- C. a population
- D. a niche
2. A quadrat of 0.25 m² has 8 plants on average. How many are there per m²?
- A. 32
- B. 2
- C. 8
- D. 4
3. Which is a biotic factor?
- A. Soil pH
- B. Wind speed
- C. Salinity
- D. Predation
4. Why is a belt transect suitable for studying vegetation from a river bank up a hillside?
- A. Conditions change gradually along the slope
- B. The organisms are evenly spread
- C. Random sampling is not possible on a hill
- D. Quadrats cannot be used on slopes
5. The niche of a species includes
- A. only the place where it lives
- B. its role, its interactions and its abiotic tolerances
- C. only what it eats
- D. only its population size