Caroline Arnold

You haven’t changed a bit!
 
Living fossils, or modern-day animals that very closely resemble their ancient relatives. Meet the coelacanth, horseshoe crab, dragonfly, tuatara, nautilus, and Hula painted frog. All are living fossils. Why have they changed so little over time, while other animals evolved or went extinct? Using contrasting "then" and "now" illustrations, veteran nonfiction writer Caroline Arnold alternates between...

The skeletal system is made up of about two hundred and six bones. But what exactly is a bone? And how do bones help your body function? Explore the skeletal system in this engaging and informative book.

Explains how people and animals living in different parts of the world survive in hotter and colder climates using remarkable adaptive strategies and behaviors.

"Follow a classroom of diverse kindergartners as they plant seeds in their garden, tend the growing plants, and harvest the vegetables. Clear, bright photographs show the plant life cycle"--

Follow the black and white stripes of a baby zebra and discover what happens in a zebra's world.

The arctic wind howls, but the two polar bear cubs are warm inside their den. They snuggle tight against their mother and drink her milk. Three months later, they tumble outside for their first walk in the snow. Bundle up and find out what happens in a polar bear's world.

Over the past several decades, our world has been warming at a faster rate than ever before. Winters are shorter. Sea levels have risen. Territories of predators and prey have shifted. To survive in this new environment, animals everywhere have had to adapt, or face extinction. Complemented by Jamie Hogan's rich collage illustrations, A Warmer World offers young readers a clear-eyed look at the effects of climate change on animals around the world--...

Depicts the many animals that live in the diverse habitats of Australia, including forest, grassland, desert, and seacoast.

Kindergarteners raise butterflies from egg to adult in this close-up look at the insect life cycle. Follow a classroom of real kindergartners as they participate in a popular activity: raising butterflies. Astonishing photographs show the life cycle of the painted lady butterfly, from egg to caterpillar to chrysalis to adult. Engaging text captures the children's wonder and explains the science behind metamorphosis.

A growing body of fossil findings-of dinosaurs with feathers-have finally cemented the bird-dinosaur connection. This book presents new and old evidence of how these ancient creatures are related to modern birds.