Some Archaea thrive in extreme places such as in thermal pools, hot vents at the bottom of the sea, extremely salty water, and even in underground oil reserves. This book examines the diverse Archaea kingdom and the division of these organisms by their unusual biology into three main groups. It also explains why little in general is known about them, and why further classification of Archaea is so difficult.
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.
Humpback whales use unique songs to communicate throughout the world’s oceans. But whaling and other threats almost silenced humpback whales completely. Humpback Whales describes the characteristics of these animals and how bans on whale hunting and other efforts have helped save this distinctive species. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.
Manatees are true gentle giants. Though many weigh more than 1,000 pounds, they do not use their size to overpower other sea creatures. They spend a lot of their time peacefully eating underwater grasses. Young students will close this title understanding how the manatee earned its “sea cow” nickname.
At the sight of danger, puffer fish blow up! Their bodies become like balloons. Their plump lips and oversize eyes, usually exaggerated, look more proportionate for a time. The goal is to use size to intimidate. Fascinating content in this title will suck young readers in.
Sea anemones are big believers in the buddy system. They welcome clownfish to hang out in their tentacles and snack on leftovers. In return, their clownfish pals say thank you with a parasite cleaning. Beginning readers will discover how sea anemones have mastered the give and take of friendship.
Not all seals measure up to one another. The ringed seal, for example, is four times shorter and more than fifty times lighter than the elephant seal! This elementary title puts on display the common features that make seals of all sizes alike.