Phylum

The video tutorial explains the concept of phylum, a major category in biological classification. It outlines the seven categories used to classify living organisms: kingdom, phylum, class, order, family, genus, and species. The tutorial details how scientists classify animals like horses and highlights specific phyla such as Chordata, Arthropoda, and Mollusca, describing their characteristics. It emphasizes the ongoing nature of biological discoveries and how classifications may evolve with new knowledge.

What are the characteristics of organisms in the phylum Arthropoda?

Discuss how the understanding of biological classification may change over time.