Which one of the following is an artificial ecosystem?
(a) Pond
(b) Crop field
(c) Lake
(d) Forest
NCERT Class X
Science - Exemplar Problems
Chapter_Our Environment
Answers
Answer: Crop Field is the correct answer.
Explanation:
An artificial ecosystem refers to an ecosystem which are created ,managed and modified by humans.
Crop field is an example of artificial ecosystem. These are land areas where plants are selectively grown by human. Plants in these fields do not grow naturally rather they are grown by humans as per the season,soil etc. They are not similar to wild forest, which grow and sustain under the care of nature.
The crop fields is constantly under the observation of humans as they need to be managed for a proper yield. In order to achieve this the land need to be properly managed along with soil and irrigation. The organisms that are present in the crop field are maintained and controlled by humans.
Thus, crop fields are known as artificial ecosystems.
Hope this helps.
Therefore it is referred as an artificial ecosystem.