What is true of the energy that is passed from one trophic level

The term equestrian relates to which animal? bulls cows horses pigs

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

What are 3 reasons that natural selection occurs