... . The reason for the journey, which involves thousands of miles of travel each year, is to ensure that the baby whale can spend the first few weeks of life, when the bubbler layer provides inadequate insulation, in optimum water temperatures. The whale calves feed on their mother's rich milk, and the mothers themselves rely on their stored food reserves. Among many small ... ...

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• Approx Pages: 2
• Grade Level: Undergraduate

... lower jaw) or diprotodonts (fewer teeth with only one pair of especially well-developed incisors on the lower jaw). Characteristics of their pouch, fore and hind foot structure, nature of tail and whether they are tree-dwellers, burrowers or ground-dwellers, help to classify them further Mammals that can live on land and prey on other animals tend to look similar ... ...

• Word Count: 239
• Approx Pages: 1
• Grade Level: Undergraduate