Ecosystems and Interdependence Quiz
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5 questions, one answer each
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1. What do plants mainly compete for?
- A. Territory and mates
- B. Light, space, water and mineral ions
- C. Oxygen only
- D. Pathogens
2. What term describes the non-living parts of an environment?
- A. Biotic
- B. Abiotic
- C. Trophic
- D. Genomic
3. What is meant by a 'stable community'?
- A. One with no predators
- B. One where species and environmental factors are balanced, keeping population sizes fairly constant
- C. One with only one species
- D. One that never changes at all
4. Which of these is a biotic factor affecting a community?
- A. Soil pH
- B. Wind direction
- C. Arrival of a new predator
- D. Light intensity
5. A key pollinator species is removed from an ecosystem. Based on the idea of interdependence, what is the most likely outcome?
- A. No other species will be affected
- B. Only the pollinator's direct predators will be affected
- C. Multiple species across the community could be affected, since plants relying on pollination may reproduce less, affecting species that depend on those plants
- D. The ecosystem will immediately collapse with no other effects