The theory of use and disuse of organs was promulgated by

The bacteria that is found in the root nodules of leguminous plants is

The insects in which the maxillae are modified into a long coiled proboscis is

In which of the following species is the biomass of an individual the smallest?

An example of a non-bio degrable pollutants is

Which of the organisms represent are notable agricultural pests

The part of the mammalian ear responsible for the maintenance of balance is the

The path followed by air as it passes through the lungs in mammals

Which of these organisms partly digest its food extracellularly?