Summary Animal Kingdom on Basis of Classification

1.      Levels of organization

2.      Symmetry

3.      Number of Embryonic cell layers

4.      Nature of Coleom

5.      Segmentation (Metamerism)

6.      Notochord

7.      Body Plan

 

Organ system level shows various patterns in digestive system and circulatory system.

 

Digestive system:

·         Incomplete Eg. Platyhelminthes

·         Complete Eg. Aschelminthes to chordata

 

Circulatory system:

·         Open Eg. Arthropoda Most mollusks & Tunicates

·         Closed Eg. Vertebrates Cephalochordata Annelida & Cephalopoda

Post By : Atul Sharma 10 Jan, 2019 2083 views Biology