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Ecosystem

    A limited space within which living beings interact with nonliving matter at a high level of interdependence to form an environmental unit is called an ecosystem.

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Gentian

Several plants of family Gentianaceae, of the genus Gentiana, are commonly known as gentian.

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Graphite

Natural graphite appears to have been created through the decomposition of organic material contained in LIMESTONE during metamorphism. The 3 main types of natural graphite are microcrystalline (known commercially as amorphous), crystalline flake and lump graphite.

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Bass

Bass, name applied to members of 4 fish families: temperate bass (Moronidae); sunfish (Centrarchidae); temperate ocean bass (Acropomatidae); and sea bass (Serranidae).

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Bird Flight

Wing evolution has been affected by the habitats to which birds have adapted (e.g. the open ocean, cliff tops or the closed environment of forests) and by the need to reduce drag, or air resistance.

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Pitcher Plant

Tropical Asian and N Australian pitcher plants of the genus Nepenthes belong to the family Nepenthaceae. The Australian flycatcher (Cephalotus follicularis) of SW Australia is the only species of the family Cephalotaceae.

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Plankton

Plankton [Gk planktos, "drifting"], plants and animals, phytoplankton and zooplankton, respectively, that float freely or drift with currents in oceans, freshwater ponds and lakes.

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Plant Classification

Popular classification usually divides living beings into plants and animals and, sometimes, microbes. Scientific classification long followed a similar system, with 2 principal kingdoms: the animal order and the vegetable order.

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Poison Ivy

Poison ivy plants can spread by underground stems or seeds. Most are small shrubs (0.5-1 m tall); others are vinelike plants, 15 m or longer, supported by aerial roots. Shrubby forms are sometimes called poison oak.

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Puffin

Puffin is a common name for 3 species of medium-sized seabirds of the Auk family.

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Purple Martin

The purple martin (Progne subis), is the largest (14.4-14.9 cm) and most urbanized of Canadian swallows, and is the northernmost representative of an otherwise tropical New World genus.

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Sulphur

In Canada, elemental sulphur is recovered from the processing of sour natural gas with a high hydrogen sulphide (H2S) content, and from the refining of high sulphur-bearing crude and heavy oil.

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Herbarium

A herbarium (Lat herba, "herb," formerly any medicinal plant) is a collection of dried specimens of plants mounted on sheets of heavy paper and stored in cabinets or bound in book form, as well as the building that houses such a collection.

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Beluga Whale

The beluga, or white whale, is a type of toothed whale found in Canada’s Arctic, Hudson Bay and St. Lawrence estuary.

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Hagfish

Hagfish, group of primitive vertebrates which together with lampreys and various extinct forms comprise the fish class Agnatha.

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Potash

Potash is an alkaline potassium compound most commonly used in fertilizers. It refers to a variety of salts produced through mining of minerals and chemical manufacturing. Canada is the world's largest potash producer and exporter.

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Beneficial Insect

Most insects are beneficial, playing many ecological roles. Less than 1% are pests. They are the principal food of many birds and reptiles, and the survival of insect-pollinated plants depends on them.

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Forest

Main Forest TypesWorldwide there are 3 main forest types related directly to climatic zones: equatorial- and tropical-region forests, temperate-zone forests, and forests associated with colder climates.

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Artiodactyla

Artiodactyla is an order of even-toed mammals that walk on their toenails (unguis). This and the other order of hoofed mammals, the Perissodactyla, are collectively called ungulates.