Grasslands and open horizons
Grasslands are landscapes in which grasses form a major part of the vegetation. Their open appearance can hide considerable variety. Some are tall and dense during the growing season, while others contain shorter plants and more exposed ground. Climate, soil, grazing, fire, and human activity all influence the balance between grasses, other herbs, shrubs, and […]
Whales: Giants of the Ocean
Whales: Giants of the Ocean Whales are among the largest and most remarkable animals on Earth. These marine mammals live in oceans around the world, from warm tropical waters to the cold seas surrounding the poles. Life Beneath the Surface Although whales spend their lives in water, they breathe air through blowholes located on top […]
Whales: Giants of the Ocean
Whales: Giants of the Ocean Whales are among the largest and most remarkable animals on Earth. These marine mammals live in oceans around the world, from warm tropical waters to the cold seas surrounding the poles. Life Beneath the Surface Although whales spend their lives in water, they breathe air through blowholes located on top […]