In biology, a phylum (/ ˈfaɪləm /; pl.: phyla) is a level of classification, or taxonomic rank, that is below kingdom and above class.

May 29, 2023 · There are International Codes of Nomenclature that accept these taxonomic ranks as universal – meaning they are applicable on all living forms whether it be plant phylum, …

These unicellular crea­tures have therefore been placed in the subkingdom protozoa, which includes only one phylum, the protozoa. The remaining phyla of animals, all of which are many …

Nov 17, 2025 · Phylum Arthropoda represents the largest animal phylum on Earth, encompassing insects, spiders, and crustaceans. This massive group is characterized by a segmented body, …

Aug 22, 2025 · Unravel the concept of phylum in biology. Learn how scientists categorize diverse life forms based on fundamental shared characteristics.

Mar 28, 2024 · Historically, plants, protists, and bacteria have also been organized into divisions, a term later replaced by phylum. Within the animal kingdom, there are approximately 35 …

Aug 3, 2023 · Early stages of animal development, such as gastrulation, are the foundational characteristics that characterize animal phyla. In evolution, these initial processes seldom alter …

Sep 21, 2025 · Explore the term 'Phylum', its role in the biological classification system, and its significance in understanding the diversity of life. Learn about different phyla and their …

Jul 2, 2025 · The phylum represents a fundamental level of biological classification, providing a critical link between broad kingdoms and more specific classes. Its significance lies in …

Jun 10, 2025 · Explore the world of phylum in biology, from definition to examples and importance in taxonomy.