BNO Team 
11 min read 
The earthworm, a vital detritivore in terrestrial ecosystems, possesses a specialized and efficient digestive system tailored for its diet and lifestyle. This system is characterized by its alimentary canal, a continuous tubular structure that extends longitudinally from the anterior mouth to the posterior anus. This canal is essential for the processing and absorption of organic … Read more
21 min read 
Kingdom: Animalia Subkingdom: Eumetazoa Clade: ParaHoxozoa Clade: Bilateria Clade: Nephrozoa (unranked): Protostomia Superphylum: Ecdysozoa (unranked): Panarthropoda Phylum: OnychophoraGrube, 1853 Class: Udeonychophora General Characteristics of Phylum Onychophora Phylum Onychophora, commonly known as velvet worms, is a unique group of invertebrates that share characteristics of both arthropods and annelids. Here are some general characteristics of the phylum … Read more
21 min read 
Circulatory system of Earthworm The earthworm possesses a closed type of circulatory system, which plays a pivotal role in the transportation of nutrients, oxygen, and waste products throughout its body. This system is intricate and is composed of various components, each with its specific function. A. Blood Vessels behind 13th segments in Intestinal Region In the … Read more
30 min read 
What is Earthworm? Classifications of Earthworms Earthworms, commonly known as nightcrawlers, are complex organisms that play a vital role in the ecosystem. Their classification within the biological hierarchy is detailed and sequential, providing a comprehensive understanding of their evolutionary lineage and biological significance. Habit and habitat of Earthworm Earthworms are fascinating creatures that play a … Read more
8 min read 
The earthworm, a vital detritivore in soil ecosystems, possesses a sophisticated excretory system that plays a pivotal role in waste elimination and osmoregulation. This system is primarily composed of specialized tubular structures known as nephridia. Originating from the ectoderm, nephridia are analogous to the kidneys observed in vertebrates, serving as the primary excretory organs in … Read more
10 min read 
The earthworm, a common annelid found in gardens and soil worldwide, possesses a simple yet effective nervous system that serves as a model for understanding basic neural functions in more complex organisms. Unlike vertebrates with centralized brains, the earthworm’s nervous system is segmented and decentralized, reflecting its elongated, cylindrical body structure. At the anterior end, … Read more
17 min read 
Reproductive System of Earthworm Male Reproductive Organs of Earthworm The male reproductive system of the earthworm is a meticulously organized structure, designed for the efficient production and transportation of sperm. This system is characterized by a series of specialized organs, each playing a pivotal role in the reproductive process. 1. Testes: 2. Testis Sacs: 3. … Read more
22 min read 
What is Agrochemical? Types of Agrochemicals Agrochemicals play a significant role in modern agriculture and animal husbandry practices. Let’s explore the different types and uses of agrochemicals: While agrochemicals have contributed to increased crop yields and improved agricultural practices, their use can also have negative impacts on the environment and human health. Therefore, it is … Read more
33 min read 
What is Integrated Pest Management? Integrated Pest Management Approach The concept of integrated pest management (IPM) emerged as a response to the limitations of relying solely on chemical pesticides for pest control. The excessive use of pesticides led to the development of resistant pest populations, necessitating a more comprehensive approach. IPM takes into account all … Read more
11 min read 
Biting and Chewing Chewing and Lapping Piercing and Sucking The piercing and sucking mouth parts found in various insects, such as mosquitoes and bugs, are highly adapted for piercing the tissues of animals and plants to extract blood or plant juices. These mouth parts are specialized for their specific feeding habits and can be categorized … Read more