Reading essentials in science. Diverse populations

Learn about the lives of mollusks such as clams, slugs and octopuses from their body structure to their uses.

Learn about the lives of arthropods such as crickets, crabs and bees from their history and body characteristics to their life cycle.

Describes the structure, growth, and habitat of protists and fungi and discusses the harmful and beneficial effects of these organisms.

Learn about cnidarians and worms from their characteristics and reproduction to diet and habitat.