Biologists have identified more than 1.4 million species of living things, from microscopic bacte...
All living things reproduce by having young, but they do this in a variety of ways. Some animals ...
Chemical reactions are all around us. Baking involves chemical reactions; so do burning and rusti...
Carbon compounds are the foundation of life on Earth, as well as being present in numerous substa...
Biologists divide living things into groups called kingdoms. This book looks at animals: the life...
Everything in the universe is made from matter. This book examines the structure and properties o...
Although there are far fewer nonmetal elements than metal elements, the nonmetals far outweigh me...
Evolution explains the way organisms have adapted to changes in their environment in order to sur...
Nearly three-quarters of all the elements on Earth are metals, and we see them all around us: fro...
This book describes the structures of plants and microorganisms and examines their life processes...
Understanding Physical Development in the Early Years provides an accessible introduction to the ...