ECOSYSTEM : Any place on earth where living things interact with other living and non living things.

BIOTIC : Living components of an ecosystem.

ABIOTIC : Non living components of an ecosystem.

LEVELS OF ECOLOGY

* Organism

* Population

* Community

* Ecosystem

* Biome

* Biosphere

TYPES OF ECOSYSTEM

* Tundra

* Taiga

* Temperate Deciduous Forest

* Tropical Rain Forest

* Grasslands

* Deserts

* Fresh Water Ecosystem

* Marine Ecosystem

                           TUNDRA ECOSYSTEM

* The coldest of all the biomes 

* The word TUNDRA means treeless plains

* The ground is always frozen

* It has been called "THE LAND OF THE MIDNIGHT SUN"

* We find animals like Reindeer, Musk Oxen, Arctic Hares, Seals, Penguins and Wolves

* We find plants like Lichens, Mosses and some grasses

                          TAIGA ECOSYSTEM

* The largest land biome

* It is also known as Northern Coniferous or Boreal Forest

* Located in Canada, Europe and Asia

* We find animals like Links, Bears, Weasels, Ermine, Mink, Squirrels, Hares and Lemmings

* We find plants like Pine, Spruce and Larches

                        DECIDUOUS FOREST

* It is also called the Temperate Forest Biome

* It is very close to Taiga Biome

* Deciduous means "tend to fall off" which refers to the tree leaves

* Located in Eastern half of North America and the middle of Europe

* We find animals like Black Bear, Wolves, Coyotes, Frogs, Turtles and salamanders

* We find plants like Maple, Elm, Oak and Cedar

                      TROPICAL RAINFOREST

* Another name for the Tropical Rainforest is the jungle

* There are 2 types of rainforests

        Lowland forests

        Cloud forests

* We find animals like Parrots, Snakes, Monkeys, Tigers and Rhinos

* We find plants like Mosses, Shrubs, Vines, Orchids and Terns

                                 GRASSLANDS

* It is a semi dry area with very few to no trees dominated by grasses

* Categories are

       Prairies

       Steppe

       Savanna

* Found between the desert and forests 

* They occupies 1/4 of the earth

* We find many grazing and roaming animals

* We find plants like many species of grasses and wildflowers