Which of the following are the two basic categories of an ecosystem?

Question

Accepted Answer

Step-by-step explanation:

1. Definition: An ecosystem is generally classified by the medium where organisms live. The two broad media are land and water.

2. The two basic categories are therefore $	ext{Terrestrial}$ (land-based) and $	ext{Aquatic}$ (water-based).

3. Check options:
   - (1) Forest and Aquatic: "Forest" is a type of terrestrial ecosystem, not a separate basic category.
   - (2) Terrestrial and Aquatic: correctly names the two broad categories.
   - (3) Lakes and Ponds: both are specific types of aquatic ecosystems, not the two broad categories.
   - (4) Forest and Rivers: forest is terrestrial and rivers are aquatic, but these are examples, not the two primary categories.

4. Conclusion: Option (2) is the correct answer because it names the two fundamental ecosystem categories: $	ext{Terrestrial}$ and $	ext{Aquatic}$.

FINAL_ANSWER: b

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