Habitat Destruction Quiz
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5 questions, one answer each
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1. What is biodiversity?
- A. The total mass of organisms in an area
- B. The number of different species living in an area
- C. The number of trophic levels in a food chain
- D. The rate of population growth
2. Which of these is a reason for habitat destruction?
- A. Reforestation
- B. Housing and crop production
- C. Species conservation
- D. Reduced pollution
3. Which of the following is NOT a stated undesirable effect of deforestation?
- A. Loss of soil
- B. Flooding
- C. Increased biodiversity
- D. Increased atmospheric CO2
4. How does habitat destruction typically affect a food web?
- A. It has no effect on species not directly in the habitat
- B. It disrupts feeding links, causing knock-on effects across the web
- C. It only affects producers
- D. It increases every population size
5. Why does shrinking habitat area increase a species' extinction risk beyond simply reducing numbers?
- A. It automatically causes disease
- B. It reduces genetic variation, making populations less able to survive further change
- C. It increases food supply per individual
- D. It always increases migration success