26th October 2019

britannica
19

What is the largest group of species on Earth?

The Largest Group of Animals. The phylum Arthropoda (“jointed foot”) has the largest number of species. In fact, about 85 percent of known species are arthropods, and insects alone make up about 75 percent of known species.

What is the largest group of mammals on earth?

Most mammals, including the six most species-rich orders, belong to the placental group. The three largest orders in numbers of species are Rodentia: mice, rats, porcupines, beavers, capybaras and other gnawing mammals; Chiroptera: bats; and Soricomorpha: shrews, moles and solenodons.

What animal group makes up for the largest percentage of the world's population?

Which animal group makes up the largest percentage of the world's organisms?
  • Entomologist Toby Schuh answers this question:
  • Dear Shelly,
  • In terms of numbers of species, insects certainly represent the largest percentage of the world's organisms.