A colorful, thought-provoking infographic identifies 12 harmful chemicals found in cigarette smoke. It provides a sober warning for smokers and those exposed to secondhand smoke.

Explore the food web in a coral reef with these illustration. Identify the consumers, producers, and decomposers that are located within this ecosystem. Site includes illustration exploring the different food chains as well as questions...

This lesson will explain how to create a food web to show transfer of energy within a community. It is 1 of 4 in the series titled "Food Webs."

Describes food practices in medieval times. Looks at food staples, food preservation, daily diet, recipes and cookbooks, the role of the church, and social class.

This lesson will review the difference between autotrophs and heterotrophs, and show how both play important roles in a food web. It is 2 of 4 in the series titled "Autotrophs vs. Heterotrophs."

This lesson explains the role plants play in the conversion of inorganic materials into organic material to support living things. It is 3 of 3 in the series titled "The Role of Plants in the Food Chain."

This lesson will review the difference between producers and consumers, and show how both play important roles in a food web. It is 2 of 4 in the series titled "Producers and Consumers."

An image of "Cook with Food", created by Frans Snyders during the 1630's (Oil on canvas, 88,5 x 120 cm).

An image of "The Sultan Being Brought Food and Drink", created by Gianantonio Guardi from 1742-43 (Oil on canvas, 46 x 64 cm).