¿En que región abdominal se encuentra el apéndeci? porfa​

What is the following best defines climate?

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.

This is the interaction of two organisms where one is and the other is neither nor harmed.