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Describes the physical features of an ocean, its community of plants and animals, and environmental threats.

These ultra-smart dogs have been used to herd animals for hundreds of years. Learn more about the ever-busy, ever-thinking border collie inside!

Explains the history and details about the American flag.

Describes the history, geography, government, economics, and people of England.

Explains what ecology is, shows how living things are classified, and looks at the environments in which they live.

A study of the life and time of the compsognathus.

Describes the characteristics of mountainous areas and the plants and animals that inhabit them.

Presents general information about paleontologists, what they learn about prehistoric animals and vegetation by studying them.

Describes different types of grasslands, their plant and animal life, and environmental threats.

Describes what is known about the physical characteristics, behavior, habitat, and life cycle of this plant-eating, duck-billed dinosaur.