Differentiate between
Direct and Indirect development
| Direct Development | Indirect Development |
| The youngs ones are completely different from their adult forms. | The young ones resemble their adult form. |
| Occurs in cockroach and frog | Occurs in birds, reptiles and mammals |
Differentiate between
Oviparity and viviparity
Differentiate between
Open and Closed circulatory system
Differentiate between :
Acoelomate and Pseudocoelomate
Differentiate between
Polyp and Medusa
