(par 3. 2.2) Food Chains and Food Webs
Food Chains and Food Webs “What’s for dinner?” http://www.enchantedlearning.com/subjects/foodchain/ Every organism needs to obtain energy in order to live. For example, plants get energy from the sun, some animals eat plants, and some animals eat other animals. A food chain is the sequence of who eats whom in a biological community (an ecosystem) to obtain […]
(par 3. 2.2) Food Chain and Food Web
http://www.ducksters.com/science/ecosystems/food_chain_and_web.php Every living plant and animal must have energy to survive. Plants rely on the soil, water, and the sun for energy. Animals rely on plants as well as other animals for energy. In an ecosystem, plants and animals all rely on each other to live. Scientists sometimes describe this dependence using a food chain or […]
(par 3. 2.1) Parts of an Ecosystem
How to Describe the Parts of an Ecosystem by Kari Norborg Carter, Demand Media http://everydaylife.globalpost.com/describe-parts-ecosystem-36131.html The body of a higher animal, such as a mammal, consists of interrelated systems and organs that all depend upon each other to function properly. Similarly, an ecosystem, all the living and nonliving things in an ecological community, can function […]