What percentage of all known species of animals on Earth do insects comprise?

Insects comprise a significant portion of the biodiversity on Earth, accounting for approximately 80% of all known species of animals. This makes them the most diverse group among all animal species. The figure of 85% actually falls within the range of estimates regarding the total number of animal species that are classified as insects, but current scientific consensus often cites around 80%.

Understanding the proportion of insects among animal species highlights their ecological importance. Insects play vital roles in ecosystems, including pollination, decomposition, and serving as a food source for many other organisms. This immense diversity is crucial for the stability and health of ecological systems.

The other percentages provided suggest an overestimation of the diversity of insect species, thereby reinforcing the importance of understanding the correct figures in ecological studies and biodiversity assessments.