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en.wikipedia.org/wiki/Glossary_of_biology

Krebs cycle -The citric acid cycle – also known as the tricarboxylic acid (TCA) cycle or the Krebs cycle[1][2] – is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetyl-CoA derived from carbohydrates, fats and proteins into carbon dioxide and chemical energy in the ...

eschooltoday.com/science/characteristics-of-living-organisms/living-things-obtain-and-use-energy.html

Living organisms obtain and use energy to perform all life functions such as growth, repair and movement. Here is more.

sciencing.com/do-living-organisms-common-8143489.html

Apr 24, 2017 ... The most recent classification system agreed upon by the scientific community places all living things into six kingdoms of life, ranging from the simplest ... Energy Use. The glucose made by plants yields the energy-rich ATP molecule. All processes occurring within organisms, whether single-celled or ...

climateinterpreter.org/content/energy-powers-all-living-systems

Jan 29, 2014 ... The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers, such as plants and algae, use energy from sunlight to make food energy by combining carbon dioxide and water to form organic matter. This process begins the flow of energy through almost all ...

www.ck12.org/book/CK-12-College-Human-Biology/section/4.9

But one thing is certain: all living things need energy for everything they do, whether it's running a race or blinking an eye. In fact, every cell of your body ... ATP is made during the first half of photosynthesis and then used for energy during the second half of photosynthesis, when glucose is made. ATP releases energy when ...

gouldacademy.instructure.com/courses/400318/pages/how-living-things-get-energy

The purpose of this research is to find how living organisms get energy from different sources. ... All of these, are the principal sources from which living organisms get energy from. ... These carbohydrates get eaten and used as the building blocks for energy in all animal life on earth, but how does photosynthesis work?

study.com/academy/lesson/energy-and-life-the-transformation-of-energy-in-living-organisms.html

All living things require energy to do the work necessary for survival and reproduction. This is true for bacteria, plants, and animals. But what is energy? Energy is simply ... to form sugar. Sun provides the energy needed to drive photosynthesis, and some of the energy used to make the sugar is stored in the sugar molecule.

study.com/academy/lesson/organisms-that-use-cellular-respiration.html

Who Uses Cellular Respiration? All organisms, from the smallest to the largest, need a way to get energy to live. They need a way to convert nutrients into energy, in the form of ATP. There are a variety of ways that organisms can get energy from the nutrients they make or consume, one of these being cellular respiration.

shawmst.org/biology/chapter/how_do_living_things_get_energy

You know that all living things need energy, from the smallest bacteria to the largest plants or mammals. ... This level of the pyramid is smaller than the producer level because most of the energy used at the producer level is used by producers for their life processes (respiration, ... Start by coloring in the entire bottom section.