ZOOLOGY ONLINE TEST 07

The branch of biology which deals with classification of animals is —

The basic unit of classification is —

Animals that do not possess a true coelom are called —

The body symmetry of cnidarians is —

The body cavity lined by mesoderm is called —

Animals in which the blastopore develops into the mouth are —

The simplest animals with cellular level of organization are —

The excretory structure of flatworms (Platyhelminthes) is —

The body of annelids is —

The body of arthropods is covered by —