Rebecca L Johnson

Takes readers on a walk in the tundra, showing examples of how the animals and plants of the tundra are connected and dependent on each other and the tundra's soil and climate.

Describes the climate, seasons, plants, animals, and soil of the boreal forest, a biome or land zone, which stretches across the northern parts of North America, Europe, and Asia.

Presents animals that use camoflauge to survive, including the harlequin filefish, the gliding lizard, and the cuckoo finch.

Audisee® eBooks with Audio combine professional narration and text highlighting to engage reluctant readers! The muscular system is made up of three different kinds of muscles: skeletal muscles, smooth muscle, and heart muscle. But what does each kind of muscle do? And where in the body are they located? Explore the muscular system in this engaging and informative book.

Presents the various types of defenses mechanisms used by animals, including the bone spikes of the African hairy frog, the deadly poison of the blue-spotted N. taracua termite, and the hammer-like punch of the peacock mantis shrimp.

Take a walk in the rain forest. It's hot and humid and humming with life. Look up into the dense canopy of leaves above you. Tangled vines lead to the treetops, where parrots squawk and monkeys swing from branch to branch. A poison dart frog clings to a slippery leaf. A sloth creeps through the canopy. The dense rain forest overflows with life. Discover the plants and animals that depend on each other in this unique biome through narrative text, entrancing...

What is matter made of? Scientists have been trying to answer this question for thousands of years. The concept of the atom-the tiniest fragment of a substance that still retains the characteristics of that substance-goes back to the Greek philosopher Leucippus, who lived in about 450 b.c. In the mid-1600s, Robert Boyle provided experimental evidence that atoms did, indeed, exist. And in 1897, British physicist Joseph John Thomson discovered the first...

A resource organized by body system lists the key herbal remedies available, their uses, and cautionary advice, in a book that includes full-color photos, a glossary and several thematic indexes.

Describes carnivorous plants and what they eat.

Learn what satellites do for us.