Morphology of insects (The skin of insect)
Insect body is enveloped in a solid body shell – the skin, which in arthropods gives the body a constant shape and firmness, and presents an external skeleton. It’s composed…
Cell physiology and types of cell organization
The cell is the basic structural and functional unit of all living organisms. It is a very complex system in which all structure and function interconnected, dependent and controlled of…
The definition of forest
Forest is a complex formation (biogeocenosis) of trees that affect each other and the environment in which they are located. Forest structure determines three basic components: FloraFaunaHabitat An essential part…
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