Patricia Wynne

Bumblebee queens begin the spring alone, but can create colonies of hundreds throughout the year. Follow one queen as she finds a nest, gathers nectar, lays eggs and tends her colony through spring, summer, and fall.

Contains reproducible patterns for constructing simple models of organs and organ systems that make up the human body, and includes lesson plans on how to use the models, cooperative learning activities, experiments, and supplemental skits and reports.

An introduction to the science that explains how birds fly.

Introduces marine mammals that are specially adapted to life in the water.

An introduction to the life and habitat of the baby beluga.

Zoologist Bill Schutt makes a surprising case: it is teeth that are responsible for the long-term success of vertebrates. The appearance of teeth, roughly half a billion years ago, was an adaptation that allowed animals with backbones, such as fish, amphibians, reptiles, birds, dinosaurs and mammals--including us--to chow down in pretty much every conceivable environment. And it's not just food. Tusks and fangs have played crucial roles as defensive...

Describes various parts of the body from head to toe and explains how cell, tissues, and organs work together to make the skeletal, digestive, circulatory, and other systems work properly.