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Unit 5 Ecosystems

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Unit 5 Ecosystems

  1. 1. 5 Ecosystems José Ángel.
  2. 2. THE EARTH’S TERRESTRIAL ECOSYSTEMS • Tundra: Is the coldest ecosystem on Earth and it is also very dry. It is located in the land areas near the North Pole. -Characteristic: Is the absence of trees. There are mosses and some grasses. -Fauna typical are reindeers, arctic foxes, polar bears and white wolves.
  3. 3. • Grassland: Grassland are flat areas dominated by grasses. -Savannahs (tropical areas). -Temperate grasslands (colder regions). Animals -> Elephant, giraffes, zebras, lions, coyotes, wolves, bison prairie dogs, gazellas, antelopes.
  4. 4. • Tropical rainforest: Forest in tropical areas are warn and wet. -Flora (plants): Evergreen trees, orchids , ferns . -Fauna (animals): Snakes, monkeys, jaguars, insects, many birds (parrot, tucan).
  5. 5. • Forests: -Coniferous forests cold areas evergreen trees and animals like brown bears, deer and foxes. -Temperate deciduous forests trees which lose their leaves every winter, such as oak, beech and maple and animals like squirrels, rodents and wild boar. - Mediterranean forest surrounding areas of the mediterranean. Sea Cork oaks, holm oaks, thyme and Rosemary. Fauna: eagles, foxes, lynx and rodents.
  6. 6. • Desert: The driest and hottest places on Earth. Temperatures are very high during the day but low at night. Examples include: Cacti, small bushes, lizards, snakes, camels and scorpions.
  7. 7. AQUATIC AND ARTIFICIAL ECOSYSTEMS • Marine -Coral reefs: richest ecosystems in number of species. -Open ocean: It is the largest ecosystem on earth , whales and dolphins are some of the species open ocean. -Shoreline: It is the place where the sea meets land. Animals and plants adapted to the strong tides and waves.
  8. 8. • Freshwater -Flowing water. Rivers and streams: many animals live in flowing freshwater ecosystems. Crocodiles ,turtles , and frogs. -Standing water Lakes and ponds: fish, tadpoles and ducks live in lakes and ponds. Wetlands: are areas where freshwater covers the soil.Have a rich biodiversity including and amazing number of bird species.
  9. 9. ARTIFICIAL ECOSYSTEMS Artificial ecosystems can be terrestrial, aquatic and urban ecosystems. -Terrestrial: Farm were the first manmade ecosystems. Domesticated animals ecosystem: garders, parks, greenhouses, orchards, zoos and terrariums. -Aquatic: Aquariums, man-made ponds and fish farms. -Urban: Cities urban occupy only 2% of the land. Include cats, dogs, mosquitoes, rats, cockroaches, flies, pigeons, migratory birds such as storks and plants such as grasses.