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| 4985981955 | Negative feedback | This tends to damp down, neutralize or counteract any deviation from an equilibrium and promoted stability. | 0 | |
| 4985981956 | Ecosystem | The mix of biotic (living) and abiotic (no living) factors in a particular area | 1 | |
| 4985981957 | Edge effect | The increase in Biodiversity near ecosystems boundaries | 2 | |
| 4985981958 | Producers/Autotrophs | Convert energy from sun into carbohydrates | 3 | |
| 4985981959 | Cellular respiration | When organisms get energy from plants through chemical rxn | 4 | |
| 4985981960 | Aerobic respiration | Making energy in the presence of oxygen | 5 | |
| 4985981961 | Anaerobic respiration | Energy gained in a sense of oxygen. By products include methane gas, acetic acid | 6 | |
| 4985981962 | Consumers/heterotrophs | Obtain energy by consuming other organisms | 7 | |
| 4985981963 | Herbivores/ primary consumers | Heterotrophs that consumer producers | 8 | |
| 4985981964 | Secondary consumers | Carnivores that eat primary consumers | 9 | |
| 4985981965 | Tertiary consumers | Animals that eat secondary consumers | 10 | |
| 4985981966 | Detritivores | Get nutrients from dead organism | 11 | |
| 4985981967 | Decomposers | Release nutrients back | 12 | |
| 4985981968 | Food chain | A sequence in which energy is transferred from one organism to the next as they consume each other | 13 | |
| 4985981969 | Food web | A network of food chains showing the feeding relationships in an ecosystem | 14 | |
| 4985981970 | Bioaccumulation | When toxins get passed on through each tropic level | 15 | |
| 4985981971 | Gross primary productivity | Total solar energy producers in an ecosystem capture | 16 | |
| 4985981972 | Net primary productivity | Respiration by producers (energy passed on to herb) | 17 | |
| 4985981973 | Biomass | Total mass of all living matter in an area | 18 | |
| 4985981974 | Biosphere | Anywhere life resides | 19 | |
| 4985981975 | Exchange pools | Where a nutrient sits for a short period of time | 20 | |
| 4985981976 | Pools | (Reservoirs) are where there are build-ups | 21 | |
| 4985981977 | Flux | Rate materials move between pools | 22 | |
| 4985981978 | Source | A pool that releases more nutrients that it accepts | 23 | |
| 4985981979 | Sinks | A pool that accepts more nutrients than it releases | 24 |
