Defines annelids, such as blood-sucking leeches and earthworms, and describes their physical characteristics, life cycles, habitats, senses, food, and means of

Defines annelids, such as blood-sucking leeches and earthworms, and describes their physical characteristics, life cycles, habitats, senses, food, and means of

Describes the physical characteristics, habitat, and types of worms, including leeches, earthworms, and tapeworms.