Question

This is an artificial ecosystem.

• A. Pond
• B. Crop field
• C. Lake
• D. Forest

Answer 1

The correct option is B

Crop field

Solution:

Explanation for the correct option (B):

• An ecosystem is the sum of all the living organisms (biotic component) and non-living objects (abiotic components) in an environment of a particular area.
• Natural ecosystems are those self-regulating ecosystems that are found in nature and formed without human intervention.
• Some examples of the natural ecosystem are desert, grassland, forest, pond, lake, river, and ocean.
• Artificial ecosystems are those ecosystems that are both made and regulated by humans.
• Some examples of artificial ecosystems are gardens, aquariums, and crop fields.
  Therefore, the crop field is an artificial ecosystem.

Explanation for the incorrect options:

• Option (A) is incorrect because the pond is an aquatic and natural ecosystem.
• Option (C) is incorrect because the lake is also an aquatic and natural ecosystem.
• Option (D) is incorrect because forests are terrestrial and natural ecosystems.

Final answer:

Here, option (B) is the correct answer.