In this article we will discuss about the General Characters and Classification of Phylum Ctenophora. General Characteristics of Phylum Ctenophora: There are about 50 species of ctenophores. 1. Habitat: All ctenophores are exclusively marine. 2. Habits: They feed on plankton, swim by cilia. Power of regeneration is well marked. Bioluminescence (the property of living organism to emit light) is well-marked [...]
In this article we will discuss about the General Characters and Classification of Sponges. General Characteristics of Sponges: Some of the general characters of sponges are listed below: 1. Habitat: All sponges are aquatic, mostly marine, rarely fresh water (e.g., Spongilla), solitary or colonial, sessile (attached to the substratum). Sponges like warmer water. They are not usually found in cold [...]
In this article we will discuss about the General Characters and Classification of Phylum Arthropods. General Characteristics of Phylum Arthropods: Some of the general characters of Phylum Arthropoda are listed below: 1. Habitat: They occur on land, in the soil, in sea water, in fresh water and in the bodies of animals and plants as parasites. 2. Body Form: It [...]