Think where mitochondria are found in the greatest numbers - they are found (for example) in liver cells, kidney cells, muscle cells etc. These tissues carry out a lot of work and thus require lots of energy.
<span>Fat is a storage product that sits there until required but the thyroid does lots of work involved in metabolism and therefore requires plenty of energy.
This should help :)
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Absorbing other cells gave a competitive advantage.
Hope this helps!<span />
As pollution and runoff get dumped into the ocean the acid levels go up causing acidification to happen. This harms animals, and us.
No quite.... Homeostasis is the maintenance of constant internal environment
For example the constant internal temperature of our body is 37 degrees Celsius or 98.6 degrees Fahrenheit. If our body increases or decreases some changes happens to your body in order to return the normal body temperature. If your freezing your blood vessels near the skin constricts so that the heat running through your blood doesnt leave your body because you are in need of heat.