Terms : Hide Images
| 2800218073 | Biosphere | The region of our planet where life resides, the combination of all ecosystems on Earth. | 0 | |
| 2800219682 | Producer | An organism that uses the energy of the Sun to produce usable forms of energy. Also known as an autotroph. | 1 | |
| 2800221309 | Photosynthesis | The process by which producers use solar energy to convert carbon dioxide and water into glucose. | 2 | |
| 2800222600 | Cellular respiration | The process by which cells unlock the energy of chemical compounds. | 3 | |
| 2800223352 | Aerobic respiration | The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water. | 4 | |
| 2800225020 | Anaerobic respiration | The process by which cells convert glucose into energy in the absence of oxygen. | 5 | |
| 2800226966 | Consumer | An organism that is incapable of photosynthesis and must obtain its energy by consuming other organisms. Also known as a heterotroph. | 6 | |
| 2800228633 | Herbivore | A consumer that eats producers. Also known as a primary consumer. | 7 | |
| 2800229333 | Carnivore | A consumer that eats other consumers. | 8 | |
| 2800229981 | Secondary consumer | A carnivore that eats primary consumers. | 9 | |
| 2800230496 | Tertiary consumer | A carnivore that eats secondary consumers. | 10 | |
| 2800231104 | Trophic levels | The successive levels of organisms consuming one another. | 11 | |
| 2800231614 | Food chain | The sequence of consumption from producers through tertiary consumers. | 12 | |
| 2800232483 | Food web | A complex model of how energy and matter move between trophic levels. | 13 | |
| 2800233165 | Scavenger | An organism that consumes dead animals. | 14 | |
| 2800233813 | Detritivore | An organism that specializes in breaking down dead tissues and waste products into smaller particles. | 15 | |
| 2800234830 | Decomposers | Fungi and bacteria that convert organic matter into small elements and molecules that can be recycled back into the ecosystems. | 16 | |
| 2800236485 | Gross primary productivity (GPP) | The total amount of solar energy that producers in an ecosystem capture via photosynthesis over a given amount of time. | 17 | |
| 2800238495 | Net primary productivity (NPP) | The energy captured by producers in an ecosystem minus the energy producers respire. | 18 | |
| 2800239359 | Biomass | The total mass of all living matter in a specific area. | 19 | |
| 2800239919 | Standing crop | The amount of biomass present in an ecosystem at a particular time. | 20 | |
| 2800241423 | Ecological efficiency | The proportion of consumed energy that can be passed from one trophic level to another. | 21 | |
| 2800242563 | Trophic pyramid | A representation of the distribution of biomass, numbers, or energy among trophic levels. | 22 | |
| 2800247015 | Biogeochemical cycle | The movement of matter within and between ecosystems. | 23 | |
| 2800247770 | Hydrologic cycle | The movement of water through the biosphere. | 24 | |
| 2800248682 | Transpiration | The release of water from leaves during photosynthesis. | 25 | |
| 2800249851 | Evapotranspiration | The combined amount of evaporation and transpiration. | 26 | |
| 2800250588 | Runoff | Water that moves across the land surface and into streams and rivers. | 27 | |
| 2800251420 | Carbon cycle | The movement of carbon around the biosphere. | 28 | |
| 2800252083 | Macronutrient | One of six key elements that organisms need in relatively large amounts: nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur. | 29 | |
| 2800254588 | Limiting nutrient | A nutrient required for the growth of an organism but available in a lower quantity than other nutrients. | 30 | |
| 2800255454 | Nitrogen cycle | The movement of nitrogen around the biosphere. | 31 | |
| 2800256200 | Nitrogen fixation | A process by which some organisms can convert nitrogen gas molecules directly into ammonia. | 32 | |
| 2800256993 | Nitrification | The conversion of ammonia into nitrite and then into nitrate. | 33 | |
| 2800258004 | Assimilation | The process by which producers incorporate elements into their tissues. | 34 | |
| 2800258882 | Mineralization | The process by which fungal and bacterial decomposers break down the organic matter found in dead bodies and waste products and convert it into inorganic compounds. | 35 | |
| 2800261012 | Ammonification | The process by which fungal and bacterial decomposers break down the organic nitrogen found in dead bodies and waste products and convert it into inorganic ammonium. | 36 | |
| 2800263306 | Denitrification | The conversion of nitrate in a series of steps into the gases nitrous oxide and, eventually, nitrogen gas, which is emitted into the atmosphere | 37 | |
| 2800265980 | Leaching | The transformation of dissolved molecules through the soil via groundwater. | 38 | |
| 2800267085 | Phosphorus cycle | The movement of phosphorus around the biosphere. | 39 | |
| 2800267689 | Algal boom | A rapid increase in the algal production of a waterway. | 40 | |
| 2800268432 | Hypoxic | Low in oxygen. | 41 | |
| 2800268660 | Sulfur cycle | The movement of sulfur around the biosphere. | 42 | |
| 2800269472 | Disturbance | An event, caused by physical, chemical, or biological agents, resulting in changes in population size or community composition. | 43 | |
| 2800270806 | Watershed | All land in a given landscape that drains into a particular stream, river, lake, or wetland. | 44 | |
| 2800272268 | Resistance | A measure of how much a disturbance can affect flows of energy and matter in an ecosystem. | 45 | |
| 2800274025 | Resilience | The rate at which an ecosystem returns to its original state after a disturbance. | 46 | |
| 2800275229 | Restoration ecology | The study and implementation of restoring damaged ecosystems | 47 | |
| 2800276896 | Intermediate determined hypothesis | The hypothesis that ecosystems experiencing intermediate levels of disturbance are more diverse than those with high or low disturbance levels. | 48 | |
| 2815005990 | potable | drinkable water (human consumption) | 49 | |
| 2815008283 | turbid | (of a liquid) thick with suspended matter. | 50 | |
| 2815009389 | vegan | a person who eats no animal products (dairy, egg, gelatin, etc) | 51 | |
| 2815011006 | vegetarian | a person who does not eat meat (cow, pork, chicken, etc) | 52 | |
| 2815011863 | omnivore | a person who eats both plants and animals | 53 | |
| 2815013528 | percolation | the slow movement of water through the pores in soil or permeable rock. | 54 | |
| 2815019533 | infiltration | the seepage of water into soil or rock. | 55 | |
| 2815020766 | this cycle has no atmospheric component. | phosphorous | 56 | |
| 2815021285 | igneous rock | formed by the cooling and solidifying of molten materials. Igneous rocks can form beneath the Earth 's surface, or at its surface, as lava. (ex: granite) | 57 | |
| 2815025680 | metamorphic rock | was once one form of rock but has changed to another under the influence of heat, pressure, or some other agent without passing through a liquid phase. (ex: marble) | 58 | |
| 2815026782 | sedimentary rock | formed through the deposition and solidification of sediment, especially sediment transported by water (rivers, lakes, and oceans), ice ( glaciers ), and wind. Are often deposited in layers, and frequently contain fossils. (ex: sandstone) | 59 | |
| 2815028061 | 3 main ghg | Co2, CH4, H2O g | 60 |
