characteristics of phylum platyhelminthes species

fig. 10.9 - Examples of PlatyhelminthesThe phylum is divided into three classes Characteristics Class Turbellaria Class termatoda Class Cestoda habit and habitat free living aquatic Ecto or endoparasites Endoparasites Digestive system Present Present Absent Examples Pl..

Bilaterally symmetrical, triploblastic true multi-cellular animals with organ grade of organisation. Free living (aquatic or terrestrial) or parasitic (ecto- or endoparasites..

Tapeworm Simplest triploblastic organisms showing bilateral symmetry. Mostly parasites in other animals. Body in dorsoventrally flat and leaf like or ribbon-like with bilateral symmetry. The body cavity has only one opening which serves as both the mouth and the anus. Hermaphrodites..

Body in dorsoventrally flat and leaf like or ribbon-like with bilateral symmetry. The body cavity has only one opening which serves as both the mouth and the anu..

The sum of all the populations of same kind of organisms all over the world is called species. Generally, a species is often defined as a group of organisms similar in structure, function and behaviour..

The sum of all the populations of same kind of organisms all over the world is called species. Generally, a species is often defined as a group of organisms similar in structure, function and behaviours. But there are numerous examples where the members of the same speciesh..

Phylum Arthropoda - This phylum is the largest in the animal kingdom comprising of more than 75% of the animal species that have been identified. Free living forms, aquatic (fresh water or marine) or terrestrial or aerial. Some parasitic forms also. Body is elongated a..

Species is generally the lowest taxonomic rank representing organisms that are very much closely related to one another. A species is defined as a group of closely related, structurally and functionally similar organisms which can breed among themselves, producing fertile offspr..

Such a species contains sufficient number of individuals in its habitat but in the near future, may becme an endangered species if unfavourable conditions persist. e.g., crab eating macaque, golden langur, chinkaro deer etc..

Their numbers have been reduced to a critical level pushing them to near extinction. They may become extinct very shortly. 81 species of mammalians, 38 species of birds, 18 species of amphibians / reptiles are identified as endangered species in India. Some ..