Of the following groups which contains the greatest number of species?
crustaceans
mammals
plants
insects

Insects

Explanation:

The Arthropoda is the largest phylum in the animal kingdom because about 85 percent of all known species are arthropods, and insects alone make up about 75 percent of known species.

Arthropods are divided into the following classes:

- Crustaceans

- Insects

- Arachnids

- Myriapods

Thus, insects contains the greatest number of species

Insects.

Explanation:

Insects are largest group of invertebrates animal. They belong to phylum arthropoda and the are about 1 million or more. Insects have a pair of antenna, their body is cover with exoskeleton, they have three pairs of leg, their body is divided Into head , thorax and abdomen. Their eyes are bulged. They have pairs of wings. Examples are ants, bees, termites, flies, butterfly, grasshopper e.t.c.

a. an idea which cannot be disproven!

explanation: