Question

How many of the following will act as a decomposer in a pond ecosystem?
[spider, earthworm, woodlouse, fungus]

• A. One
• B. Two
• C. Three
• D. Four

Answer 1

Answer: (B)

Two

Decomposers are the organisms which feed on dead organisms such as microbes. Spider feeds on other insects and acts as a predator and woodlouse found in forest and feeds on plant matter from the forest floor. Whereas earthworm and fungus can grow in pond water and feeds on dead organisms (plant or animal).

So, the correct answer is 'Two'.