By: Ashley Tobert

The Forest Ecosystem: "They are the ecosystems in which an abundance of flora, or plants, is seen so they have a big number of organisms which live in relatively small space. Therefore, in forest ecosystems the density of living organisms is quite high. A small change in this ecosystem could affect the whole balance, effectively bringing down the whole ecosystem."

The Desert Ecosystem: "Desert ecosystems are located in regions that receive an annual rainfall less than 25. They occupy about 17 percent of all the land on our planet. Due to the extremely high temperature, low water availability and intense sunlight, fauna and flora are scarce and poorly developed. The vegetation is mainly shrubs, bushes, few grasses and rare trees. The stems and leaves of the plants are modified in order to conserve water as much as possible."

Aquatic Ecosystem: "The aquatic ecosystem is the ecosystem found in a body of water. It encompasses aquatic flora, fauna and water properties, as well. There are two main types of aquatic ecosystem - Marine and Freshwater."

The Mountain Ecosystem: "Mountain land provides a scattered and diverse array of habitats where a large number of animals and plants can be found. At the higher altitudes, the harsh environmental conditions normally prevail, and only the treeless alpine vegetation can survive. The animals that live there have thick fur coats for prevention from cold and hibernation in the winter months. Lower slopes are commonly covered with coniferous forests."

The Grassland Ecosystem: "Grasslands are located in both the tropical and temperate regions of the world though the ecosystems vary slightly. The area mainly comprises grasses with a little number of trees and shrubs. The main vegetation includes grasses, plants and legumes that belong to the composite family. A lot of grazing animals, insectivores and herbivores inhabit the grasslands."


Decomposer: Organisms that break down dead or decaying organisms, and in doing so, carry out the natural process of decomposition.

Consumer: An organism that must eat other organisms to get energy.

Ecosystem: A community of living organisms in conjunction with the nonliving components of their interacting as a system.

Producer: An organism that uses energy from the Sun to produce its own food.

Food Chain: How energy is passed on in an ecosystem. A food web is a collection of inter-related food chains.

Biotic: The living things in an ecosystem

Abiotic: The non living parts of an ecosystem

Adaption: A change or the process of change by which an organism or species becomes better suited to its environment.

More about ecosystems

Some examples of biotic factors in a wetland ecosystem are birds, plankton, fish, lilies, and turtles.

Some abiotic factors in a wetland ecosystem are soil, air, water, and sunlight.

Water Lily ▬> Snail ▬> Crayfish ▬> Bullfrog ▬> Northern Water Snake ▬> Bald Eagle

Energy enters the ecosystem food chain in Sunlight.

The arrows in question # 11 represent the flow of energy, from one organism consuming another, through the food chain.

If one element were to be eliminated from the food chain it would affect the entire balance of the chain.

Wetlands positively affect water quality by removing harmful chemicals and excess nutrients, and trapping sediment before it reaches a river or lake. They also replenish groundwater, which provides drinking water for many people.

Wetlands offer flood protection by acting like a giant sponge, absorbing excess water from rain and snowmelt, and then slowly releasing it into nearby waterways.

Wetlands protect shoreline from erosion by wetland plants holding soil/sand in place with their roots, absorb wave energy, and break up the flow of stream currents.

Wetlands provide many insects, fish, mammals and birds depend on wetlands for all or part of their life cycle. Most commercial and game fish breed and raise their young in coastal marshes and estuaries. Shrimp, oysters, clams and crabs rely on wetlands for food, shelter and breeding grounds. Some plants and animals, such as cattails and muskrats, need wetlands to survive. Many birds raise their young in wetlands, or use wetlands as a place to rest.

Wetlands offer many plants and animals for food and wetlands also offer hunting, and photography.

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