Matter & Energy

3. The transfer of energy from one organism to another through food chains and food webs, illustrating how energy is passed along in an ecosystem.
5. The metabolic process in which cells convert glucose and oxygen into energy, releasing carbon dioxide and water as byproducts.
6. A graphical representation showing the flow of energy at each trophic level in an ecosystem, illustrating the decrease in energy as it moves up the pyramid.
7. An organism that can produce its own food using light or chemical energy; examples include plants and some bacteria.
11. A green pigment found in plants and algae that is essential for photosynthesis, allowing them to capture light energy.
12. A community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (air, water, and minerals).
14. The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, converting carbon dioxide and water into glucose and oxygen.

1. The series of processes by which carbon compounds are interconverted in the environment, including absorption by plants and release by animals.
2. An organism, such as bacteria or fungi, that breaks down dead or decaying organic material, recycling nutrients back into the ecosystem.
4. The movement and exchange of organic and inorganic matter back into the production of living matter, involving processes such as decomposition and mineralization.
8. The position an organism occupies in a food chain, which is determined by its feeding relationships with other organisms in the ecosystem.
9. An organism that cannot synthesize its own food and relies on other sources of organic carbon, primarily by consuming other organisms.
10. The total mass of living matter within a given area or volume; it is an indicator of the amount of energy available in an ecosystem.
13. A complex network of feeding relationships among various organisms in an ecosystem, illustrating how energy and nutrients are shared.