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.
This book uses math and science to help students learn about oceans. Math challenge questions provide students with the opportunity to apply math skills as they learn about the characteristics of oceans.
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.
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.
Did you know that some corals are named for being look-alikes? The mushroom coral has an umbrella-like shape. Grooves on the surface of the brain coral give it the appearance of the important human organ. Beginning readers just might get the urge to name the corals in this book.
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.