ecology

"A group of friends discovers a neglected pond in the woods and decides to fix it up together"--Provided by publisher.

Five vignettes, from dawn to midnight, present the dramatic dynamics of survival and competition in and around a typical North American pond, featuring such animals as a pickerel frog, water snake, and opossum.

Details the parts and inner lives of trees and all the organisms that live within them.

"Living and nonliving things live together, in an ecosystem. Each thing living in the ecosystem relies on something else. To stay alive, all living things in an ecosystem need to live in balance. Can you think of an ecosystem you have seen?"--Provided by publisher.

Text and illustrations present fifty things the reader should know about the environment.

Presents wildfires as neither good nor bad but as part of the endless cycle of change in forests and grasslands.

Text and illustrations explore the habitats, ecosystems, and biomes of Australia, and look at the plant and animal life found there.

"The last leg of the race lands the team in the Himalayas, one of the most treacherous mountain ranges in the world. But when a rockslide disaster threatens an old friend, Russell and his friends must decide whether to go on a rescue mission or race for the win..."--Back cover.

Discusses how frogs help us see the effects of climate change, pollution, and habitat destruction.

Discusses how dragonflies help us see the effects of climate change, pollution, and habitat destruction.