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.
Food consists of organic molecules that store energy in their chemical bonds. In terms of obtaining food for energy, there are two types of organisms: autotrophs and heterotrophs. Autotrophs. Autotrophs are organisms that make their own food. Most autotrophs use the energy in sunlight to make food in a process called photosynthesis. Only three types of organismsâplants, algae, and some bacteriaâcan make food through photosynthesis. Examples of each type of photosynthetic organism are ...