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emmanuel ochoche Englisch 1 Seite

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eco system

the biosphere is the living part of the planet , consisting oceans and land surface. land ecosystems are things like tropical forests ,monsoon forests and deserts.the biomass is the term used to scribe a large scale scale ,global ecosystems. ecosystems are maintained by energy flows and the cycling of nutrients between living and non living matter. in an ecosystem, the total number of animals in an area s called a population. a habitat is and organisms natural home,in there they obtain shelter and food and that is where organisms reproduce. each natural habitat is formed a unique combination of rock, soil,slope and drainage.

ll life on earth depends on water and sunlight. The sun has direct control over variations in light and temperature across the earths surface. living organisms depending on each other to survive ,grow, and reproduce.

pollination-birds and insects transfer pollen between plants

dispersal of fruits and seeds- birds and animals carrry this away from there parents from plants so that the competition for light and water . then the amount of products reproduces will reduce .

vegetation sucession- plant species improve the environment for living but mainly for species.this also enables other species o invalid and survive flowing plants needs fertili

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Notiz am Ohne Titel, erstellt von emmanuel ochoche am 24/02/2018.
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