Phylum Arthropoda – Description
The Phylum Arthropoda represents one of the most diverse and abundant groups of animals on Earth. Phylum Arthropoda is characterized by their jointed legs and exoskeletons made of chitin. The animals belonging to Phylum Arthropoda are both aquatic and terrestrial. Some groups in Arthropoda are even adopted to fly and sometimes act as parasites. Arthropoda includes insects, mites, spiders, crabs, and lobsters. The exoskeleton in arthropods is secreted by the epidermis. They have segmented body. Among the one million described species of Arthropoda, insects contribute the major part.
The internal organs of arthropods are generally built on repeated segments just like the external organs. Their nervous system is a ladder-like structure that contains ventral nerve cords. Fusion of various segments forms their heads and fusion of ganglia of these segments forms their brains. The development of the ancestry of Arthropods traces back to the Cambrian time frame.
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Class 9 Biology – Phylum Arthropoda
Phylum Arthropoda is the largest phyla of the animal kingdom. Arthropoda is a Greek word, which means joint foot. The Phylum Arthropoda characteristics include a chitinous exoskeleton, segmented bodies, jointed appendages, and a well-developed nervous system. The Phylum Arthropoda examples include insects, arachnids, and myriapods. In this article, we will cover Phylum Arthropoda characteristics, examples, and their more in detail.
Table of Content
- Phylum Arthropoda – Description
- Phylum Arthropoda Characteristics
- Phylum Arthropoda Examples
- Classification of Phylum Arthropoda
- Conclusion: Class 9 Biology – Phylum Arthropoda
- FAQs on Phylum Arthropoda