This book meets several of the Next Generation Science Standards (NGSS) along with … The report found that at least 137 wildlife species in the Pacific Northwest alone – from caddisflies to orcas – are predators or scavengers of salmon at some stage in their life cycle. Keystone Species. All species in an ecosystem, or habitat, rely on each other. Like the architectural keystone that supports an arch, from whence the term derives, a keystone species is defined by this: if you remove it, the structure collapses. Without keystone species, the ecosystem would be dramatically different or cease to exist altogether. Independent bookshops … A Kid's Guide to Keystone Species in Nature focuses on several ecosystems such as those found in grassland. Immediately download the Keystone species summary, chapter-by-chapter analysis, book notes, essays, quotes, character descriptions, lesson plans, and more - everything you need for studying or teaching Keystone species. A keystone species is a plant or animal that plays a unique and crucial role in the way an ecosystem functions. The contributions of a keystone species … This book meets several of the Next Generation Science Standards (NGSS) along with … Keystone Species - Otters, Alligators and Elephants - Read and React. A Kid s Guide to Keystone Species in Nature focuses on several ecosystems such as those found in the mountains. What was the … Wild Salmon Center’s keystone species logo, created by Ed Hepp, is based on a study by the Washington Department of Natural Resources. What happened to the other species in the coastal waters when the sea otter was hunted almost to extinction: 2. 1. The intertidal sea star, Pisaster ochraceus, of the northwestern United States is a keystone species… A keystone species is one whose presence is key to maintaining biodiversity within an ecosystem and to upholding an ecological community’s structure.