Search for "black history"

Displaying 141-160 of 322 results
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Pelican

The Pelican family (Pelecanidae) consists of large water birds with long, flat bills, expandable throat pouches, and 4 toes connected by a web.

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Stickleback

Stickleback, of the fish family Gasterosteidae, occur in freshwater lakes and streams and in marine waters along northern coastlines of the northern hemisphere.

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Ptarmigan

Ptarmigan are distinguished from other members of the grouse subfamily by their all-white wings.

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Autumn Colours

In spring and summer the most abundant substance in leaves is chlorophyll, which gives them their green colour. Chlorophyll is essential for photosynthesis, the process which converts the energy of sunlight into sugar. Sunlight is also necessary for the synthesis of chlorophyll itself.

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Deer

Deer (Cervidae) is a family of antlered, hoofed ruminants of the order Artiodactyla containing about 40 species worldwide.

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Loon

Loon (family Gaviidae) is a common name for a distinctive group of 5 large, swimming birds, all confined to the Northern Hemisphere and all occurring in North America.

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Mountain Sheep

The mountain sheep is a highly successful, medium-sized, even-toed mammal (see Artiodactyla) of the cattle family (Bovidae), genus Ovis.

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Peregrine Falcon

The peregrine falcon (Falco peregrinus) is a crow-sized, long-winged bird of prey, generally acknowledged to be the swiftest bird (attaining speeds of over 320 km/h).

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Tobacco

Tobacco (Nicotiana tabacum) is an annual (potentially perennial) herbaceous plant of the nightshade family.

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Murre

The term murre refers to 2 species, common murre (Uria aalge) and thick-billed murre (U. lomvia), the largest extant members of the auk family.

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Grebe

Grebe is the common name for members of the family Podicipedidae, aquatic birds with almost worldwide distribution.

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Cougar

Cougar, puma or mountain lion (Felis concolor, family Felidae), is the most gracile of the New World wild cats.

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Manicouagan Reservoir

The Manicouagan Reservoir, 1,942 km2, elevation 360 m, is located in southeastern Quebec, about 140 km from the Labrador border. The second-largest natural lake in Quebec, it was created by a meteorite millions of years ago. The name “Manicouagan” is possibly of Innu origin and might mean “where there is bark” (for canoe making). The lake appears on Jonathan Carver’s map of Quebec (1776) as Lake Asturagamicook, and is shown to be drained by the Manicouagan or Black River.

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Diamond

Gem-quality diamonds crystallize as octahedrons (8 faces), trisoctahedrons (24 faces), hexoctahedrons (48 faces) or a combination of these. Diamond owes its supreme standing among all the gemstones to 4 specific attributes.

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Wetlands

Wetlands cover about 14 per cent of the land area of Canada, and are the natural habitat of over 600 species of plants, animals and insects. In addition to providing a home for these plants and animals, wetlands are an essential part of the environment because they prevent flooding, filter toxins, store groundwater and limit erosion. The most common wetland habitats are swamps, marshes, and bogs.

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Dry Fishery

That portion of the Newfoundland cod fishery in which the split and cleaned product was salted and dried on shore before being transported and sold was called the dry fishery.

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Animals in Winter

Winter is the season that begins December 21 (winter solstice) and ends on March 21 (spring Equinox). In Canada cold and snow is associated with this season.

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Plate Tectonics

Plate tectonics is the theory proposing that Earth’s outer rocky shell is divided into seven major and several smaller rigid plates. Forces generated by heat losses from the planet’s interior constantly move the plates about. Plate movements, ongoing over millions of years (see Geological History), open and close ocean basins, generate volcanoes, raise mountains, facilitate accumulation of mineral and petroleum deposits, and influence evolution and climate change. Friction between plates prevents steady motion and stores energy that is released in sudden movements, causing earthquakes.

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Flatworm

Flatworm (Platyhelminthes), phylum of soft, bilaterally symmetrical invertebrates. Flatworms vary in shape from leaflike to ribbonlike; size ranges from microscopic to over 15 m long (some parasitic forms).

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Fisher

The Fisher (Martes pennanti) is a member of the weasel family, with a typically pointed face and rounded ears. In Canada, fishers live in the boreal and temperate forests of almost all the provinces and territories, with the exception of Newfoundland and Labrador and Prince Edward Island.