The Graph Shows A

question 130

Multiple Choice

The graph shows a:

• A) positive relationship that becomes steeper.
• B) negative relationship that becomes steeper.
• C) negative trend between the total cost of a cake and the output of cakes.
• D) negative relationship that become less steep.
• E) positive relationship that becomes less steep.

---

Definitions:

Carbon Cycle

The series of processes by which carbon compounds are interconverted in the environment, chiefly involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, decay of organisms, and the burning of fossil fuels.

Trophic Levels

The levels in an ecosystem, representing a step in the food chain or food web, characterized by organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy.

Natural Food Chains

A sequence of organisms each dependent on the next as a source of food, demonstrating the flow of energy and nutrients in an ecosystem.

Conversion Efficiency

A measure of how effectively a system converts input energy into output energy or work.