The Evolution of Fish explores what we know about fish evolution, from theories of the past to recent breakthroughs in research. This title also looks at the science behind the research, from studying fossils to analyzing DNA. Features include a glossary, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.

The field of cell biology is built on a foundation of discoveries stretching back to the earliest descriptions of cell theory in the 1800s. Today, our growing insight into cells and their control of life functions continues to generate advances in areas such as medicine, agriculture, genetics, and reproduction. This book traces the rise of cell biology and explains biological concepts through easy-to-follow text. Sidebars provide biographies of key...

Tornadoes are one of the deadliest and most frightening natural disasters. They roar through an area quickly, tearing a path of total destruction. What is the science behind them? This book explains what a tornado is, the meteorological conditions required for tornadoes to form, and what happens inside their swirling bodies. Using fun facts, maps, and vivid photographs, readers will learn about locations of tornadoes in the United States, including...

Among the first people to live on the ocean were fishermen and sailors who spent months or years on ships, exploring or fighting in wars. Today, people live on the ocean for scientific study, work, or simply for fun. There are even entire villages that live by floating on the ocean. Through accessible text and vibrant photographs, young readers will understand how life on the water has changed over time and what the future holds. As land-based populations...

Kids love gross things, and germs are among the grossest. This engaging volume capitalizes on the grossness factor, while covering the science behind germs, what they are, where they are found, and how they cause diseases. It gives kids the information they need to stay clean and healthy without fearing germs. Readers will learn that most bacteria do not cause diseases, but provide us with food and medicines, and help maintain soil and other ecosystems....

Times are tough for shrimpers and fishers in the Gulf of Mexico. The animals they rely on for their livelihood are harder to find. Every summer a dead zone-a region of low oxygen-emerges in the waters along the Gulf Coast. Where oxygen is low, fish and others animals cannot survive. Currently the world has more than 400 identified dead zones, up dramatically from the 49 dead zones identified in the 1960's.The good news is that people can eliminate...

As our world's population grows, so too does our need for energy. Scientists seek the next breakthrough in new technology while constantly finding ways to make current solutions cheaper and more efficient. In this title, discover what biomass energy is, its history, how we use it today, and how new technologies can contribute to our energy future. Learn about cutting-edge biofuels, including ethanol, biodiesel, and fuels from switchgrass and algae,...

Amazing medical breakthroughs are made every day. In the past decades, medical researchers have cured diseases that were once deadly and devised new methods to heal that were once unimaginable. This title follows the development of vaccines, including the race to stop polio, groundbreaking discoveries and the doctors who made them, and where the science is heading in the future. Learn how immunization and vaccines work and how scientists are making...

Invasive species are taking over native plants' habitats. Common control methods are dangerous or impractical. Some people are now turning to goats as a nontoxic and versatile way to deal with invasive species. Controlling Invasive Species with Goats looks at the history of using goats to graze plants, why they work, and the research that's being done to learn more. Easy-to-read text, vivid images, and helpful back matter give readers a clear look...

Exposes 12 of the most enduring myths about weather. Full-color spreads give readers essential information about each myth, including why it exists, the key players who proved it wrong, and what the truth really is.