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Scientists believe the biological clock is located in the hypothalamus, the part of the brain that regulates basic drives
ultimately it is the brain
I would expect that biological wants are the need for food, shelter, water, the need to procreate, love.
If you mean living processes, then the answer is Sunlight. If you mean geological processes, then the answer is decay (nuclear fission) of radioactive isotopes in the Earth's core and Sunlight. If you mean tidal processes, then the answer is kinetic (rotational) energy transfer.
No. Natural selection requires reproductive variation to work on. Besides reproductive variation and natural selection, there are various forces, biochemical as well as population dynamical, that affect the allelic composition of a population.
Primary reinforcers are innate, such as food and water, while secondary reinforcers are learned through association with primary reinforcers, such as money or praise. The primary reinforcers satisfy basic biological needs, while secondary reinforcers acquire value through conditioning and are often used in operant conditioning paradigms.
Primary drives are hunger and thirst. Secondary drives might be money
The heat from the centre of the Earth (fueled by nuclear fission and therefore the energy of an ancient supernova explosion) which drives tectonic convection processes.The heat from the Sun which drives the erosion processes.
balance of the elements
Coercion
The energy from the Sun, solar energy drives all the process important to life on Earth.
Id
Harley-Davidson Primary Drives can be very expensive. Typically, the cost of the Harley-Davidson Primary Drivers are in the three-thousand dollar range.
Coercion
Weather and ocean circulation.
hard disk drives
hard disk drives