Rebecca L Johnson

Describes the climate, soil, plants, and animals of North American deserts and the ways in which the plants and animals depend on each other and their environment to survive.

Takes readers on a walk through a forest of trees that lose their leaves in the fall, showing examples of how the animals and plants depend on each other and their environment to survive.

Are zombies real? As far as we know, dead people do not come back to life and start walking around, looking for trouble. But there are things that can take over the bodies and brains of innocent creatures, turning them into senseless slaves. Meet nature's zombie makers--including a fly-enslaving fungus, a suicide worm, and a cockroach-taming wasp--and their victims.

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.

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 new animals discovered during a ten year project of documenting sea life, describing new species of such creatures as jellyfish, octopuses, squids, sea worms, and crabs, found along coral reefs, ocean mountain ranges, and in the dark zone.

The book skillfully explains the discovery of DNA and the emergence of modern biotechnology, including how DNA is replicated, how genes are expressed and translated as cell proteins, and how the human genome is being mapped.

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...