AP BIOLOGY

Detailed explanation-1: -Read a brief summary of this topic. arthropod, (phylum Arthropoda), any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, centipedes, and millipedes.

Detailed explanation-2: -Phylum Arthropoda is the largest phylum in the animal world, and insects form the single largest class within this phylum.

Detailed explanation-3: -In terms of numbers of species, insects certainly represent the largest percentage of the world’s organisms. There are more than 1 million species of insects that have been documented and studied by scientists.

Detailed explanation-4: -Final Answer The reasons for Arthropods to be the largest phylum is – They have jointed legs for easy mobility. They have a hard exoskeleton which protects their body helps to reduce water loss so they adapt more to terrestrial conditions.