Which one of the following has the highest number of species in nature?
Insects
The correct option is option C.
Explanation for correct option:
Explanation for Incorrect option:
Option A:
There are more than 11,000 bird species that have been identified and described in the world today.
Option B:
The overall number of fungal species in the globe exceeds the total number of fish, amphibians, reptiles, and mammals combined.
Option D:
According to the IUCN, there are around 1.5 million plant and animal species that have been described so far.
Final answer: Insects have the highest number of species in nature