Terms : Hide Images
| 5124888559 | Biosphere | The region of our planet where life resides, the combination of all ecosystems on Earth. | 0 | |
| 5124888560 | Producer (Autotroph) | An organism that uses the energy of the Sun to produce usable forms of energy. | 1 | |
| 5124888561 | Photosynthesis | The process by which producers use solar energy to convert carbon dioxide and water into glucose. | 2 | |
| 5124888562 | Cellular Respiration | The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water. | 3 | |
| 5124888563 | Heterotroph | An organism that must obtain its energy by consuming other organisms. | 4 | |
| 5124888564 | Carnivore | A consumer that eats other consumers. | 5 | |
| 5124888565 | Primary Consumer | An individual incapable of photosynthesis; must obtain energy by consuming other organisms. | 6 | |
| 5124888566 | Secondary Consumer | A carnivore that eats primary consumers. | 7 | |
| 5124888567 | Tertiary Consumer | A carnivore that eats secondary consumers. | 8 | |
| 5124888568 | Trophic Level | A position in a food chain or Ecological Pyramid occupied by a group of organisms with similar feeding mode. | 9 | |
| 5124888569 | Food Chain | The sequence of consumption from producers through tertiary consumers. | 10 | |
| 5124888570 | Food web | A complex model of how energy and matter move between trophic levels. | 11 | |
| 5124888571 | Scavenger | A carnivore that consumes dead animals. | 12 | |
| 5124888572 | Detritivore | An organism that specializes in breaking down dead tissues and waste products into smaller particles. | 13 | |
| 5124888573 | Decomposer | Fungi or bacteria that recycle nutrients from dead tissues and wastes back into an ecosystem. | 14 | |
| 5124888574 | Gross Primary Productivity (GPP) | The total amount of solar energy that producers in an ecosystem capture via photosynthesis over a given amount of time. | 15 | |
| 5124888575 | Net Primary Productivity (NPP) | The energy captured by producers in an ecosystem minus the energy producers respire. | 16 | |
| 5124888576 | Biomass | The total mass of all living matter in a specific area. | 17 | |
| 5124888577 | Standing Crop | The amount of biomass present in an ecosystem at a particular time. | 18 | |
| 5124888578 | Ecological Efficiency | The proportion of consumed energy that can be passed from one trophic level to another. | 19 | |
| 5124888579 | Trophic Pyramid | A representation of the distribution of biomass, numbers, or energy among trophic levels. | 20 |
