Question

Certain millipedes and silver fish live in nest of army ant feeding on their refuse. The relationship is

• A. Commensalism
• B. Mutualism
• C. Protocooperation
• D. Scavenging

Answer 1

The correct option is A Commensalism

A. Commensalism is the relationship between two different organisms in which one is always benefitted and the other is neither benefitted nor harmed.

B. Mutualism is the relationship between two or more individuals in which all are benefitted by each other.

C. Protocooperation is the relationship between two species which is beneficial and favourable to both but not obligatory to both.

D. Scavenging is the dependence upon dead and decay matter for food.

Millipedes and silver fish live in the nest of army arm feeding on their refuse, shows commensalism as millipedes and silver fish are getting benefit while army ant is neither benefitted nor harmed.

So, the correct answer is 'Commensalism'.