What is true of energy as is passes through an ecosystem?

All of the energy in an organism is used by the animal that eats it.
Any stored energy in an organism is used by the animal that eats it.
About fifty percent of the energy in an organism is used by the animal that eats it.
About ten percent of the energy in an organism is used by the animal that eats it.

Question

What is true of energy as is passes through an ecosystem?

All of the energy in an organism is used by the animal that eats it.
 Any stored energy in an organism is used by the animal that eats it.
 About fifty percent of the energy in an organism is used by the animal that eats it.
 About ten percent of the energy in an organism is used by the animal that eats it.

anonymous · Answer

@kingalex123  @sugarplum15

anonymous · Answer

It is the last one

anonymous · Answer

Say we have a food pyramid right?

anonymous · Answer

Everytime you go up towards a higher consumer then 10% of the energy is passed on to each organism so at the top that is where least of the energy is found