Which organism obtain last it’s energy from dead or decaying matter

Where does the information about where each transcription factor binds originate?

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.