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ASSIMILATION is the process in which the food taken by the organism is used to release energy for its day-to-day activities.since all organisms require energy,thus, assimilation is very essential for all living organism.
release energy from nutrients
Cellular respiration converts biochemical energy from nutrients into ATP, and then release waste product. The excretory system removes the waste products from the organism and supports cellular respiration.
Nutrients in plants travel up the roots to the leaves through the xylem and phloem. Small pores then release the gases that the plant produces.
By release of chemical neurotransmitters like epinephrine and norepinephrine, increasing response to tough external stimuli.
The process is respiration (cellular respiration). It breaks down the compounds called carbohydrates to release the energy stored there (which almost always originally came from photosynthesis).
decomposers
Carbon dioxide is released into the atmosphere.
Breaking down of macromolecules into small particles is called a catabolic process. In any catabolic process there is a release of energy. Anabolic reaction combines small particles into a macro molecule and energy is conserved in such a process.
Respiration.
Cellular Respiration
Its easy. Its respiration.
Mitochondria generate the cell's energy by the process of oxidative phosphorylation, utilizing oxygen to release energy stored in cellular nutrients
Mitochondria
Sounds like a homework question. Rot and decomposition is the digestion of living or previously living material by bacteria, and other microbial, sometimes parasitic organisms. Upon digestion the organism takes only what it needs - relevant nutrients and simple energy sources. The rest of the material that comes out of the digestive process in these organism is excreted in a broken down state (e.g. nitrogen compounds). These excreted or waste products are nutrients that help other organisms - plants - to use them to keep growing. Plants in turn are eaten by other organisms and the nutrients flow back up the food chain. Though the initial release of required nutrients was released from the rotting and decomposition of complex organisms (e.g. wood, dead animals, etc.).
Cells in a multi-cellular organism are usually not dramatically effected by that organism's growth. They will continue to grow until they are large enough where they need to divide. This process will always continue. In humans, when we have growth-spurts as children and young adults, are bodies release chemicals that tell our cells to reproduce faster.
The chemical inhibition of one plant (or other organism) by another, due to the release into the environment of substances acting as germination or growth inhibitors