talk to your doctor about the risks and benefits of taking naproxen if you are 65 years of age or older. Older adults should usually take lower doses of naproxen for short periods of time because higher doses used regularly may not be more effective and are more likely to cause serious side effects.
An autotrophic (food-making) organism at the base of a food chain or food web that obtains all of its energy from the nonliving environment. Examples of primary producers include plants, algae, and some types of bacteria.
Transfer of Energy Consumers cannot make their own food. Instead they obtain energy by eating producers and other consumers. The energy stored in the molecules of one organism is transferred to another organism when one organism consumes another. At the same time, the matter that makes up those molecules is transferred from one organism to another. Each step in the series of organisms eating other organisms is called a trophic level . Food Chains and Food Webs A food chain is a way of showing how matter and energy pass from one organism to another.