ecosystem Flashcards
what are the organisms in a ecosystem
the organism in ecosystems can be classed as producers,consumers or decomposers
what is an ecosystem
An ecosystem is a unit that includes all the living parts(e.g.plants and animals) and the non-living (physical) parts (e.g.soil and climate) in an area
what is a producer
a producer is an organism that uses sunlight energy to produce food
what is a consumer
A consumer is an organism that gets its energy by eating other organisms- it eats producers or other countries
what is a food chain?
food chain shows what eats what
what is a food web
A food web shows lots of food chains and how they develop
what is temperate grasslands mainly used for farming?
- these areas are covered with various grasses in a continous turf with a few trees
- many wetter areas are now used as cereal growing areas e.g. prairnes(USA), Steppes(Asia)
where are temperate deciduous forests found in
Uk
western europe
East USA
what are three layers of temperate decidious forests
Tree
Shrub
East Usa
what are tree layers made up of
decidious forests
what are shrub layer?
the shrub layer is a decidious bush such as hazel,holly and hawthorn
what are ecosystems
Ecosystems are communities of living things sharing a certain enviorment- the largest ecosystems are called biomes
what is a tropical rainforests
A tropical rainforests has hot,humid,growing conditions with many different species per unit area-it has two tree layers and an undergrowth layer.
what is tropical grasslands?
tropical grassland is found in the north and south of tropical rainforest. these areas have wet and dry seasons.
what are deserts?
deserts do not have rainfalls for some vegetation
deserts are located in Asia,Africa,S.W,USA,Austriala.
lack of water