A look at manatees, including their habitats, physical characteristics such as their unique respiratory system, behaviors, relationships with humans, and the protected status of these intelligent creatures in the world today.
A look at a common food chain in the Pacific Ocean, introducing the plankton that starts the chain, the killer whale that sits atop the chain, and various animals in between.
Readers will learn about unique creatures of the deep while completing engaging practice problems to familiarize themselves with functional equations, equivalent equations, inequalities, and algebraic expression. Featuring eye-catching images of marine animals, engaging practice problems, easy-to-read text, STEM themes, clear mathematical charts and diagrams, and an accessible glossary and index, this title will engage students and simplify advanced mathematical concepts!
Humanity’s impact on the natural world can have disastrous effects. Coral Reef Collapse shines a light on the death of coral reefs around the world. With abundant charts and diagrams and large-format photos, this title explores the science behind ocean acidity and rising ocean temperatures to explain the threats facing coral reefs, and considers actions people and governments can take to try to improve the situation. Features include a flow chart showing the disaster’s causes and effects, a glossary, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.