The following points highlight the seven main types of flightless birds found in the world. The types are: 1. Dodo 2. Ostrich 3. Kiwi 4. Aptenodytes 5. Rhea 6. Emu 7. Cassowary. Flightless Bird: Type # 1. Dodo: It was filghtless bird of Maurutius which became extinct in 1681. Moa Flightless Bird: Type # 2. Ostrich (Struthio): It is called Shutarmurg [...]
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:- 1. Levels of Organisation Found in Animals 2. Body Plans of Animals. Levels of Organisation Found in Animals: 1. Protoplasmic or Acellular Level: The organisation is at the level of protoplasm. It is present in protozoans. 2. Cellular Level: The body consists of many cells which may be similar or show minor division [...]