invertebrates

Describes the physical characteristics, habits, and natural environment of a variety of animals that do not have a backbone. Includes amoebas and other one-celled animals, worms, insects, lobsters, and others.

Simple experiments introduce the characteristics and behavior of worms and other small animals.

Introduces the physical characteristics and habits of various types of arthropods including insects and spiders as well as lobsters, crabs, and shrimp.

Answers questions about insect and other animal behavior, such as "Why do earthworms come out in the rain?".

Captioned illustrations provide an introduction to insects and other invertebrates written in simple terms for children.

A photo-illustrated survey of marine invertebrates, such as barnacles, sea anemones, and bivalves, that examines their physical characteristics, habitats, feeding habits, defense mechanisms, and behaviors.

A photo-illustrated survey of invertebrates, such as leeches, katydids, and bees, that examines their physical characteristics, habitats, feeding habits, defense mechanisms, and behaviors.

Text and drawings describe the physical characteristics, habits, and habitat of insects and other animals without a backbone.

Explores the world of invertebrates, with a focus on the diversity of species, habitats, behaviors and ecological relationships. Includes color photographs, and an evolutionary chart.