Environmental Interaction
Geography · 50 practice questions
The land ecosystem; environmental balance and human interaction; effects of human activities on the land ecosystem.
- Identify the components of the land ecosystem and establish the interrelationships within it.
- Interpret the concept of environmental balance.
- Analyse the effects of human activities on the land ecosystem.
Try a few questions
- Practice question 1
The removal of a key species from an ecosystem, whether through human activity or natural causes, can disrupt
- A.only the political boundaries surrounding the ecosystem
- B.the balance of the entire system
- C.only the economic value assigned to the ecosystem
- D.no aspect of the ecosystem's balance whatsoever
Show the answer
B. the balance of the entire system
Removing a key species can have ripple effects that disrupt the balance of the whole ecosystem.
- Practice question 2
Deforestation, as a human activity, can disrupt the water cycle and reduce
- A.the overall global water supply instantly and permanently
- B.rainfall in affected regions, with no measurable long-term effect
- C.the need for any further water resource management
- D.rainfall in affected regions over time
Show the answer
D. rainfall in affected regions over time
Removing forest cover can disrupt local water cycling processes, potentially reducing regional rainfall over time.
- Practice question 3
The concept of carrying capacity refers to the maximum population a given ecosystem can sustainably support
- A.without significant degradation
- B.only if the ecosystem is first entirely destroyed
- C.regardless of any resulting environmental degradation
- D.while actively encouraging degradation to occur
Show the answer
A. without significant degradation
Carrying capacity specifically denotes the population level an ecosystem can sustain without being significantly degraded.
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