Survival at 40 Below Vocabulary

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Adaptation

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A change or adjustment that helps a living thing survive better in its environment. For example, a cactus has thick skin to hold water in a dry place.

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Agile

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Able to move quickly and easily. For instance, a cat is agile because it can jump and run swiftly.

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Cache

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A hidden store of things, like food or supplies. Animals might cache food to eat later when they need it.

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Dormant

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A state of rest or inactivity. Some plants and animals are dormant during winter, meaning they are not growing or active until the weather gets warmer.

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Forage

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To search for and gather food. Animals like deer forage for leaves, grass, and fruits to eat.

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Frigid

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Very cold; freezing. When it's frigid outside, you need to wear warm clothes to stay comfortable.

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Hibernate

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To spend a long time in a deep sleep during winter. Bears hibernate to save energy when food is scarce.

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Insulates

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To keep something warm or cool by covering it with a material that stops heat from getting in or out. A cozy jacket insulates you from the cold.