Answer:
C. Matter is cycled through within an ecosystem, and energy at each trophic level is changed to heat energy.
Step-by-step explanation:
An ecosystem can be defined as the natural living habitats of both living and non-living organisms. Essential services such as plant pollination, water purification, nutrient cycling, etc., that are being provided by the ecosystem are really very vital, important and useful for the sustenance of life, both for humans and enhances social welfare.
In science, matter can be defined as anything that has mass and occupies space. Any physical object that is found on earth is typically composed of matter. Matter are known to be made up of atoms and as a result has the property of existing in states.
Energy can be defined as the ability (capacity) to do work. The various forms of energy are solar energy, electrical energy, chemical energy, thermal energy, wind energy, nuclear energy, heat energy, etc.
During cellular respiration, living organisms use organic matter which are transformed back to carbon dioxide, minerals and water while heat is transferred.
Hence, the response which best describes how matter and energy is cycled through the ecosystem is that; matter is cycled through within an ecosystem, and energy at each trophic level is changed to heat energy.