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Excretion is the removal of toxic materials, waste products of metabolism and excess substances from organisms.

Egestion is the passing out of undigested food as faeces, through the anus.

Th...

Plants have adapted to grow towards sunlight - an essential requirement for growth and survival. But how do they do this? An important factor in the control of plant growth is the hormone 'auxin', found w...

Several enzymes are involved in digestion. Amylase is produced by the salivary glands and pacreas and starts working as soon as food is ingested, breaking down starch into maltose in the mouth and also th...

One of the easiest ways to find a minimum/ maximum point is using differentiation.

The derivative of the function f(x) is usually written as dy/dx or f'(x) and is essentially a function that tells ...

• Attribution Theory is a method of linking success or failure to internal or external and stable or unstable factors. -Internal table factor is ability, a coach would say we won because we are good. ...