狼的介绍_英文ppt_英语课演讲报告
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The wolf is the largest extant member of the dog family of mammals.The wolf has a slender but powerful build. Its head is large and heavy, with wide foreheads, strong jaws and long and blunt muzzles. The ears are relatively small and triangular and the limbs are long and robust, with comparatively small paws.
Although wolf packs do cooperate strategically in bringing down prey, they do not do so as frequently or as effectively as lionesses do; unlike lions, wolves rarely remain with their pack for more than two years, thus they have less time to learn how to hunt cooperatively. Contrary to lion prides, food acquisition per wolf decreases with pack size.
The wolf was once the world's most widely distributed mammal, living north of 15°N latitude in North America and 12°N in Eurasia.[165] Wolves tend to have difficulty adapting to human induced changes, and are often referred to as an indicator species; a species delineating an ecoregion or indicating an environmental condition such as a disease outbreak, pollution, species competition, or climate change. Wolves do not seem to be able to adapt as readily to expanding civilization the way coyotes do.
In popular literature, wolf packs are often portrayed as strictly hierarchical social structures with a breeding "alpha" pair which climbs the social ladder through fighting, followed by subordinate "beta" wolves and a low ranking "omega" which bears the brunt of the pack's aggression.
'Wolf Totem' can hardly be called a novel, but rather a dedicated piece of research, in this case, research devoted to all that is Mongolian, with folk tradition, anthropology, history and philosophy binding together the book's various theories.
The wolves have strong team spirit . No matter how the enemy is , they always keep unite and never give up In addtion , they are very patient .
wenku.baidu.com The wolf is a very elegant , brave and strong animal .It's really popular with writers . And nowadays , there are more and more people like the wolf, protect the wolf .
10/22/2014
Thank You
Although wolf packs do cooperate strategically in bringing down prey, they do not do so as frequently or as effectively as lionesses do; unlike lions, wolves rarely remain with their pack for more than two years, thus they have less time to learn how to hunt cooperatively. Contrary to lion prides, food acquisition per wolf decreases with pack size.
The wolf was once the world's most widely distributed mammal, living north of 15°N latitude in North America and 12°N in Eurasia.[165] Wolves tend to have difficulty adapting to human induced changes, and are often referred to as an indicator species; a species delineating an ecoregion or indicating an environmental condition such as a disease outbreak, pollution, species competition, or climate change. Wolves do not seem to be able to adapt as readily to expanding civilization the way coyotes do.
In popular literature, wolf packs are often portrayed as strictly hierarchical social structures with a breeding "alpha" pair which climbs the social ladder through fighting, followed by subordinate "beta" wolves and a low ranking "omega" which bears the brunt of the pack's aggression.
'Wolf Totem' can hardly be called a novel, but rather a dedicated piece of research, in this case, research devoted to all that is Mongolian, with folk tradition, anthropology, history and philosophy binding together the book's various theories.
The wolves have strong team spirit . No matter how the enemy is , they always keep unite and never give up In addtion , they are very patient .
wenku.baidu.com The wolf is a very elegant , brave and strong animal .It's really popular with writers . And nowadays , there are more and more people like the wolf, protect the wolf .
10/22/2014
Thank You