Biology

10 lessons

Classification of animals

4 lessons

Types of Vérmes: flatworms,nematodes,annelids

1 lesson

The molluscs type

3 lessons

Type of arthropods

1 lesson

The Chordata type

3 lessons

The fish superclass

3 lessons

The Amphibia class

4 lessons

The Reptilia class

4 lessons

The Aves class

6 lessons

Сlass Mammals

1 lesson

Natural communities