ecosystem

An ecosystem is a community made up of living organisms and nonliving components such as air, water and mineral soil. Ecosystems may be studied either as contingent collections of plants and animals, or as structured systems and communities that are governed by general rules. The biotic and abiotic components interact through nutrient cycles and energy flows. Ecosystems include a network of interactions among organisms, and between organisms and their environment. Ecosystems can be of any size but one ecosystem has a specific, limited space. Some scientists view the entire planet as one ecosystem. Energy, water, nitrogen and soil minerals are other essential abiotic components of an ecosystem. The energy that flows through ecosystems comes primarily from the sun, through photosynthesis. Photosynthesis also captures carbon dioxide from the atmosphere. Animals also play an important role in the movement of matter and energy through ecoystems.
Spring garden. - A small spring garden.
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Spring garden.

Added 2 days ago by Grażyna

52

Grand Canyon - big canyon, lonely tree
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Grand Canyon

Added 3 days ago by sandra

257

A herd of bison. - Żubry in the Białowieża Park.
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A herd of bison.

Added 3 days ago by Grażyna

20

Forest Road. - A forest path in the sunshine.
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Forest Road.

Added 4 days ago by Zeta

44

Underwater world. - Mysterious underwater world.
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Underwater world.

Added 4 days ago by Grażyna

43

Nature.. - Holidays in Switzerland ...
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Nature..

Added 4 days ago by Grażyna

61

mountain landscape - mountains, autumn trees
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mountain landscape

Added 5 days ago by sandra

102

Tree by the pond. - Tree leaning over the pond.
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Tree by the pond.

Added 5 days ago by Zeta

55

Boat on the river. - Purple boat on the river.
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Boat on the river.

Added 5 days ago by Zeta

38

Field full of poppies. - A summer field full of poppies.
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Field full of poppies.

Added 5 days ago by Zeta

34

High Tatras. - Tatra Mountains. View on Czerwone Wierchy.
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High Tatras.

Added 6 days ago by Zeta

22

lovely animals - and what will you do to me if you catch me
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lovely animals

Added week ago by Basiunia

13

castaway - this castaway has crashed here and is waiting for help
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castaway

Added 8 days ago by rozbitek

7

Alley in the park. - A beautiful alley in the park !!!
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Alley in the park.

Added 8 days ago by Grażyna

134

Birches at the road. - Birches at the road. Autumn.
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Birches at the road.

Added 9 days ago by Zeta

126

Island
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Island "Ghost Ship"

Added 9 days ago by Zeta

85

Sparrows in the park. - Sparrows on a bush in the park.
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Sparrows in the park.

Added 9 days ago by Zeta

56

Lake in Slovenia. - Lake in Slovenia.
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Lake in Slovenia.

Added 9 days ago by Zeta

50

Flowers in the garden - Beautiful colorful flowers in the garden
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Flowers in the garden

Added 9 days ago by ania

34

Police officer - Arrange the puzzles and you will get something
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Police officer

Added 10 days ago by inaa

0

Crocodile. - Crocodile in a park in Tanzania.
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Crocodile.

Added 10 days ago by Zeta

30

mossy forest - forest, greenery, mosses, path
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mossy forest

Added 11 days ago by sandra

50

Toucan. Costa Rica. - Toucan on the tree. Costa Rica.
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Toucan. Costa Rica.

Added 11 days ago by Zeta

30

Bridge in the park. - Bridge in a summer park.
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Bridge in the park.

Added 11 days ago by Zeta

42

Asia continent - Asia, continent map
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Asia continent

Added 12 days ago by gosia

67

mario mario - mario mario mario mario mario mario mario mario mario
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mario mario

Added 12 days ago by ktos

30

North and South America - North and South America
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North and South America

Added 12 days ago by gosia

43 1

autumn landscape - autumn, forest, road, leaves
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autumn landscape

Added 13 days ago by sandra

71

BAJKOWY VIEW - Leave, rest, relax
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BAJKOWY VIEW

Added 2 weeks ago by ada

89

Forest and teddy bears - WE HAPPEN TO TREES IN THIS WORLD !!!
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Forest and teddy bears

Added 2 weeks ago by Sandra

78 1

landscape - A small village in central Poland.
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landscape

Added 2 weeks ago by Grażyna

88