The most successful group of animals in terms of diversity of species is
Answer Details
The most successful group of animals in terms of diversity of species is Arthropoda. Arthropods include insects, spiders, crustaceans, and other groups, and they have been able to colonize virtually every habitat on Earth, from deep ocean trenches to mountaintops, and from rainforests to deserts. Arthropods make up more than 80% of all known living animal species, which is an impressive feat and the reason why they are considered the most successful group of animals.