Introduces the physical characteristics and habitats of invertebrates that live in the ocean, including jellyfish, sponges, and anemones.

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

Introduces the physical characteristics, habitat, and types of echinoderms, including starfish, sea urchins, and sea cucumbers.

Black & white print. Concepts of Biology is designed for the typical introductory biology course for nonmajors, covering standard scope and sequence requirem

Molecular biology has revolutionized our understanding of animals and their evolution. In this Very Short Introduction, Peter Holland provides an authoritative