Question

Write a short note on nematodes and arthropoda.

Answer 1

Nematodes are more commonly called roundworms and can be found in aquatic habitats, soil, snowy tundras and hot deserts, inside plants and animals, and just about every place in between. Just a handful of rich dirt can have several thousand of these tiny worms!
Arthropoda (Arthon- Jointed; podos- legs)Arthropoda, animals having jointed appendages or legs. It is a phylum of triploblastic, haemocoelomic, segmented invertebrates having head, thorax and abdomen, a chitinous exoskeleton and jointed legs and appendages. Most successful phylum on the Earth that has ever existed.

Answer 2

Nematodes-The nematodes or roundworms constitute the phylum nematoda.They are diverse animal phylum inhabiting a broad range of environment.Nematode species can be difficult to distinguish,and although over 25,000 have been described,of which more than half are parasitic ,it is estimated that over 40,000 species exist.
Arthropoda-An arthropod is an invertebrate animal having an exoskeleton,a segmented body,and paired jointed appendages.