Browse "Nature & Geography"

Displaying 881-892 of 892 results
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Wintergreen

Wintergreen is the common name for smooth, low-growing, woodland, herbaceous plants in genus Pyrola of the wintergreen family (Pyrolaceae). These plants were known to the Cree as "beaver's ears" because of their small, round, evergreen leaves. Nine of the 12 known species are native to Canada.

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Wolf

The wolf is the largest wild member of the dog family. Living wolves belong to the Holarctic species Canis lupus (except red wolf, C. rufus of the southeast US).

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Wolverine

Wolverine, or carcajou (Gulo gulo), largest of the weasels, resembles a powerful, miniature bear.

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Wren

The wren is a family (Troglodytidae) of small, mainly brown, insectivorous songbirds, characterized by chunky bodies, tails that are often erect, and forceful rather than musical songs.

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Yarrow

Yellowish disc florets (3-10) make up the central part, which is surrounded by 5 petal-shaped ray florets. They bloom from May to October. Yarrow has a dry, one-seeded fruit. Throughout the ages, yarrow has been used to stop blood flow, hence one common name, "nosebleed.

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Yeast

at genus level is based on the morphology of the spores and vegetative cells and, at species level, by the ability to metabolize different sugars and related compounds.

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Yew

Yew is the common name for evergreen conifers, genus Taxus, of the yew family (Taxaceae).

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Zinc

Zinc (Zn) is a bluish-white metal of low to intermediate hardness that melts at 419°C and is estimated to comprise about 0.013% of the earth's crust. Zinc is an essential element for human health; over 200 enzymes in the body require zinc for proper functioning.

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Zoology

Zoology is the study of ANIMALS. Zoologists have many interests: some study form (morphology) or function (physiology), from gross to molecular levels; behaviour (ethology); association (ecology); or distribution (zoogeography); and some specialize in one kind of animal.

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Zooplankton

Zooplankton, weakly swimming animals belonging to many phyla (primary divisions of the animal kingdom), which, as larvae or adults, exist wholly suspended within a water body.

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Zoos

Zoos or zoological gardens are facilities exhibiting wild and domesticated animals for purposes of education, recreation, conservation and research. Zoological gardens can be conventional, dense-occupancy zoos to open animal parks and game farms.