Download or read book Inside Ecosystems and Biomes written by Debra J. Housel and published by Teacher Created Materials. This book was released on 2007-12-14 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plants and animals that need one another in an environment form an ecosystem. All ecosystems have energy pyramids that show the exchange of energy from one food source to another. Biomes are areas of the Earth that have their own climate and characteristics. Ecosystems all over the world are in danger due to pollution, hunting, and other factors. By conserving water, recycling, and reducing pollution, we can help protect Earth's ecosystems and biomes.