An ecosystem is a geographic area whereby plants, animals, and other organisms, and also weather and also landscapes, occupational together to kind a balloon of life.

You are watching: Which is the most accurate description of an ecosystem?


Biology, Ecology, earth Science, Meteorology, Geography, person Geography, physics Geography

For the finish encyclopedic entry v media resources, visit:

This lists the logos of programs or partner of NG education which have listed or contributed the content on this page.

Powered by


An ecosystem is a geographic area where plants, animals, and other organisms, and weather and also landscape, work-related together to kind a balloon of life. Ecosystems save biotic or living, parts, and abiotic factors, or nonliving parts. Biotic components include plants, animals, and other organisms. Abiotic determinants include rocks, temperature, and humidity.Every factor in one ecosystem depends on every other factor, either directly or indirectly. A readjust in the temperature of one ecosystem will certainly often affect what plants will grow there, because that instance. Pets that rely on plants because that food and shelter will have to adapt to the changes, relocate to one more ecosystem, or perish.Ecosystems have the right to be very big or really small. Birds pools, the ponds left through the ocean as the tide goes out, are complete, small ecosystems. Birds pools contain seaweed, a type of algae, which provides photosynthesis to produce food. Herbivores such together abalone eat the seaweed. Carnivores such together sea stars eat other animals in the birds pool, such together clams or mussels. Birds pools count on the transforming level of s water. Part organisms, such as seaweed, prosper in an aquatic environment, once the tide is in and also the swimming pool is full. Other organisms, such together hermit crabs, can not live underwater and also depend top top the shallow pools left by low tides. In this way, the biotic components of the ecosystem depend on abiotic factors.The whole surface of earth is a series of linked ecosystems. Ecosystems space often associated in a larger biome. Biomes are huge sections the land, sea, or atmosphere. Forests, ponds, reefs, and also tundra space all species of biomes, for example. They"re organized an extremely generally, based upon the species of plants and also animals that live in them. Within every forest, each pond, every reef, or each ar of tundra, you"ll find countless different ecosystems.The biology of the Sahara Desert, for instance, consists of a wide variety of ecosystems. The arid climate and hot weather characterize the biome. Within the Sahara are oasis ecosystems, which have date palm trees, freshwater, and also animals such as crocodiles. The Sahara also has dune ecosystems, v the changing landscape identified by the wind. Organisms in these ecosystems, such together snakes or scorpions, must be able to survive in sand dunes for long periods that time. The Sahara even includes a naval environment, where the Atlantic ocean creates cool fogs top top the Northwest afri coast. Shrubs and animals that feed on small trees, such together goats, live in this Sahara ecosystem.Even similar-sounding biomes can have fully different ecosystems. The biology of the Sahara Desert, for instance, is really different indigenous the biome of the Gobi Desert in Mongolia and China. The Gobi is a cold desert, with constant snowfall and also freezing temperatures. Unequal the Sahara, the Gobi has actually ecosystems based no in sand, yet kilometers of bare rock. Part grasses room able to flourish in the cold, dry climate. Together a result, these Gobi ecosystems have actually grazing pets such together gazelles and also even takhi, one endangered types of wild horse.Even the cold desert ecosystems of the Gobi are distinctive from the freeze desert ecosystems that Antarctica. Antarcticas thick ice sheet covers a continent made practically entirely of dry, bare rock. Just a couple of mosses grow in this desert ecosystem, supporting only a couple of birds, such as skuas.Threats come EcosystemsFor countless years, world have connected with ecosystems. Countless cultures arisen around surrounding ecosystems. Many Native American people of north Americas good Plains emerged a facility lifestyle based on the aboriginal plants and animals of levels ecosystems, for instance. Bison, a large grazing pet native to the an excellent Plains, became the most important biotic element in many Plains indians cultures, such together the Lakota or Kiowa. Bison are occasionally mistakenly referred to as buffalo. This tribes provided buffalo hides for shelter and clothing, buffalo meat because that food, and buffalo horn because that tools. The tallgrass prairie of the good Plains sustained bison herds, which tribes adhered to throughout the year.

As human populations have grown, however, civilization have overtaken countless ecosystems. The tallgrass prairie that the great Plains, for instance, came to be farmland. Together the ecosystem shrunk, under bison might survive. Today, a few herds endure in safeguarded ecosystems such together Yellowstone national Park.In the dry rain woodland ecosystems neighboring the Amazon river in southern America, a similar situation is acquisition place. The Amazon rain forest contains hundreds of ecosystems, including canopies, understories, and also forest floors. This ecosystems support vast food webs.Canopies are ecosystems in ~ the peak of the rainforest, wherein tall, thin trees such as figs grow in search of sunlight. Canopy ecosystems additionally include other plants, dubbed epiphytes, which grow directly on branches. Understory ecosystems exist under the canopy. They room darker and more humid than canopies. Animals such as monkeys live in understory ecosystems, eating fruits from trees and smaller animals like beetles. Forest floor ecosystems assistance a wide selection of flowers, which space fed on through insects like butterflies. Butterflies, in turn, administer food for animals such together spiders in forest floor ecosystems.Human activity threatens all these rain woodland ecosystems in the Amazon. Hundreds of acres the land are cleared for farmland, housing, and industry. Nations of the Amazon rain forest, such as Brazil, Venezuela, and also Ecuador, space underdeveloped. Cutting down trees to do room for crops such together soy and corn services many negative farmers. These resources provide them a reliable resource of income and also food. Children may have the ability to attend school, and also families are able come afford much better health care.However, the devastation of rain woodland ecosystems has actually its costs. Many modern medicines have been emerged from rain woodland plants. Curare, a muscle relaxant, and quinine, provided to law malaria, are just two of these medicines. Many scientists issue that damaging the rain forest ecosystem may prevent more medicines from gift developed.The rain forest ecosystems likewise make poor farmland. Uneven the rich soils that the good Plains, where people destroyed the tallgrass prairie ecosystem, Amazon rain forest soil is thin and has few nutrients. Only a couple of seasons of plants may grow prior to all the nutrients space absorbed. The farmer or agribusiness must relocate on to the next patch the land, leave an north ecosystem behind.

See more: How To Restring A Stihl Weed Wacker, How To Restring A Weed Eater By Stihl

Rebounding EcosystemsEcosystems can recover from destruction, however. The breakable coral reef ecosystems in the south Pacific space at risk because of rising ocean temperatures and decreased salinity. Corals bleach, or shed their shining colors, in water that is also warm. They die in water the isnt salty enough. Without the reef structure, the ecosystem collapses. Organisms such as algae, tree such together seagrass, and animals such together fish, snakes, and also shrimp disappear.Most coral reef ecosystems will certainly bounce earlier from collapse. As s temperature cools and also retains much more salt, the brightly colored corals return. Slowly, they develop reefs. Algae, plants, and animals likewise return.Individual people, cultures, and governments space working to maintain ecosystems the are vital to them. The federal government of Ecuador, for instance, recognizes ecosystem legal rights in the landes constitution. The so-called civil liberties of Nature states Nature or Pachamama , where life is reproduced and also exists, has the best to exist, persist, maintain and also regenerate its crucial cycles, structure, functions and also its processes in evolution. Every person, people, community or nationality, will have the ability to demand the recognize of civil liberties for nature prior to the windy bodies. Ecuador is residence not just to rain woodland ecosystems, but likewise river ecosystems and also the impressive ecosystems top top the Galapagos Islands.