NEET BIOLOGY

Detailed explanation-1: -Arthropoda: It is an invertebrate animal exhibiting a segmented body, an exoskeleton, and paired jointed appendages. Arthropods come under the phylum Arthropoda, which comprises arachnids, insects, crustaceans, and myriapods. It is the largest group of animals or the largest phylum in the kingdom Animalia.

Detailed explanation-2: -Arachnids have a fused head and thorax and have four pairs of legs. The largest group of arthropods is the insects, including grasshoppers, butterflies, beetles, and cockroaches.

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.