Question

Which of the following statements about the size and scale of ecosystems is correct?

1. Ecosystems always maintain a fixed, predictable size.
2. The scale of an ecosystem can range from extremely large to very small.
3. A tropical rainforest is an example of a small-scale ecosystem.

• A. i, iii
• B. ii only
• C. i only
• D. All

Answer 1

Answer:

B. ii only

• Ecosystems are incredibly diverse in their dimensions.

• They can encompass vast areas like entire biomes or be as confined as a small experimental setup, demonstrating that there is no 'typical' size for an ecosystem.

• This variability is a fundamental characteristic that allows for a wide range of ecological interactions and adaptations, from global carbon cycles to microscopic nutrient exchanges.