Zoology
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 …
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 …
Phylum Platyhelminthes: The phylum platyhelminthes, also known as flatworms, is a incredibly diverse group of invertebrate animals. With over 20,000 known species, but due to their small size and often …
Canal System in Porifera: The canal system is a unique feature found in the phylum Porifera, commonly known as sponges. Porifera is a group of multicellular organisms that lack true tissues …
Protozoa: Protozoans are single-celled eukaryotic organisms that are found in a variety of habitats, including water, soil, and the bodies of animals. They can be classified into four main groups …