ANIMALS IN DANGER OF EXTINCTION

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Habitat Requirements

Habitats are the natural environments of plants and animals. Earth has many different habitats, from vast oceans to tropical rain forests, equatorial deserts to Arctic tundra. Between these extremes are others, such as grasslands, forests, rivers, lakes, and wetlands.

What makes a habitat unique? A combination of many things—including temperature, soil, rainfall, and geographic location—creates a habitat.

All animals have basic survival needs, and a suitable habitat will provide them. The four basic habitat requirements are

• Food
• Shelter from weather and predators
• Water
• A place to raise young


In addition, each species has its own special needs. Wood ducks, for example, nest in tree cavities, while wild turkeys find meadows and grasslands to be good cover for their chicks.

Some animals, called generalist species, find what they need in a variety of habitats. They can cope with a large range of climate and vegetation types and easily adapt to different foods and environmental conditions. Examples of such species are squirrels, coyotes, raccoons, and crows.

Specialist species are less common than generalist species and can thrive only in a narrow range of habitats. These animals have limited climate and vegetation ranges and don't adapt well to new foods or environmental conditions. These species include grizzly bears, bobcats, and many types of birds.

 

2005 Escuela Nacional Preparatoria Plantel 7

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