Author: Rajkumar Pawar

In need of Protecting Animal Diversity in an Ever Changing Environment

April 21, 2024August 7, 2024 Rajkumar Pawar No Comments

Animal Diversity: Protecting animal diversity is critical, especially as our environment faces constant change. It’s a complex issue, but here’s a breakdown of why it’s important and what we can do? Animal Diversity Animal diversity is truly remarkable. There are estimated to be between 3 and 30 million different animal species on Earth, each with…

Conservation

Phylum Protozoa Characteristic and Classification

April 8, 2024August 7, 2024 Rajkumar Pawar No Comments

Phylum Protozoa: The Phylum Protozoa comprising a diverse group of unicellular organisms. Let’s explore their characteristics and classification. Defination: The Protozoa may be defined as ‘microscopic, acellular animalcules existing singly or colonies, without tissues and organs, having one or more nuclei. When in colonies, they differ from Metazoa in having all the individuals alike except…

Zoology

Phylum Cnidaria Characteristic and Classification

April 5, 2024August 7, 2024 Rajkumar Pawar No Comments

Phylum Cnidaria: Cnidaria derives from the Greek word “cnidos,” which means “stinging thread.” Defination: The cnidaria may be defined as “diploblastic Metazoa with tissue grade of construction having nematocysts and a single gastrovascular cavity or the coelenteron.” The phylum Cnidaria is a large group of aquatic invertebrates, with over 11,000 described species. They are mostly marine…

Zoology

Phylum Arthropoda general characteristic and Classification

April 4, 2024August 7, 2024 Rajkumar Pawar No Comments

Phylum Arthropoda: Arthropods are the largest phylum in the animal kingdom, making up over two-thirds of all known animal species. They are incredibly diverse and can be found in almost every habitat on Earth, from the deepest oceans to the highest mountains. Here are some of the general characteristics of arthropods General Characters of Phylum…

Zoology

General Characteristics and Classification of Phylum Mollusca

April 3, 2024August 7, 2024 Rajkumar Pawar No Comments

Phylum Mollusca: It is the second largest phylum in animal kingdom and consists of over 150,000 marine, freshwater and terrestrial species. Mollusca, the second largest animal phylum after Arthropoda, is a diverse group of soft-bodied invertebrates . They are found in almost all aquatic environments, from freshwater to the deepest parts of the ocean, as…

Zoology

Phylum Annelida Characteristic, Classification with Example

March 31, 2024August 7, 2024 Rajkumar Pawar No Comments

Annelida: The phylum annelida was first coined by LAMARCK (1801) (Gr., annulus – little ring + eidos – form) for the higher segmented worms. There are around 16500 species included in the phylum Annelida. Appearence of metamerism represents their greatest Advancement, so they are called a Segmented worms. The unique characteristic of the phylum Annelida is metamerism….

Zoology

Aschelminthes/Nemathelminthes Characteristic and Classification

March 26, 2024August 7, 2024 Rajkumar Pawar No Comments

Aschelminthes: It also referred to as Nemathelminthes, it is an invertebrates phylum which includes roundworms. Defination: They are bilaterally symmetrical, triploblastic and pseudocoelomate animals with organ system of organization. Excretion involves a giant excretory cell called Renette cell. They have tube-within-tube type of body plan. Nemathelminthes group are created by Gwgenbaur in 1859 to place…

Zoology