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Curse of the Dead

Ecology - this is the life

Autotrophs and heterotrophs: characteristics, similarities and differences

The maximum permissible concentration (MPC) - is an important indicator of the environment

The "ecological path" - a great way to explore nature

What determines the stability of the ecosystem?

Last Resort: ship graveyard

Activities on the Environment

An easy way to learn to see the prophetic dreams

Biogeocoenosis - a major component of the ecosystem

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