In which phylum, nervous system develops for the first time?
Nervous system is responsible for control and coordination in animals. Nervous system develops for the first time in phylum Coelenterates.
Pinna is characteristic feature of
Pinna is the external opening of ears. Pinna is characteristic feature of Mammalia.
5- kingdom classification
The five kingdom of classification was proposed by R. Whittaker. These kingdoms were Monera, Protista, Fungi, Plantae and Animalia.
Name the group of organisms which has dicondylic skull.
The skull having two occipital condyle is called dicondylic skull. The members of class amphibians and mammals possesses dicondylic skull.
In Whittaker’s classification, unicellular organisms are grouped under
The Whittaker’s classification includes five kingdom in which unicellular organisms having Eukaryotic cell are placed in kingdom Protista.