Terms : Hide Images
| 9767360692 | abiotic | nonliving | 0 | |
| 9767360693 | aerobic respiration | complex process that occurs in the cells of most living organisms, in which nutrient organic molecules such as glucose (C6H12O6) combine with oxygen (O2) to produce carbon dioxide (CO2), water (H2O), and energy (Respiration that requires oxygen) | 1 | |
| 9767360694 | anaerobic respiration | form of cellular respiration in which some decomposers get the energy they need through the breakdown of glucose (or other nutrients) in absence of oxygen (Respiration that does not require oxygen) | 2 | |
| 9767360695 | atmosphere | Whole mass of air surrounding the earth | 3 | |
| 9767360696 | autotrophs | Organisms that are able to make their own food (producer) | 4 | |
| 9767360697 | biogeochemical cycles | process in which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another | 5 | |
| 9767360698 | biomass | A measure of the total dry mass of all organic matter in plants and animals in an ecosystem | 6 | |
| 9767360699 | biosphere | Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere. | 7 | |
| 9767360700 | biotic | Living | 8 | |
| 9767360701 | 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, the decay of dead organisms, and the burning of fossil fuels. | 9 | |
| 9767360702 | carnivores | Consumers that eat only animals | 10 | |
| 9767360703 | chemosynthesis | Process by which some organisms, such as certain bacteria, use chemical energy to convert inorganic compounds into organic compounds | 11 | |
| 9767360704 | community | A group of interdependent organisms inhabiting the same region and interacting with each other | 12 | |
| 9767360705 | consumers | An organism that obtains energy and nutrients by feeding on other organisms or their remains. | 13 | |
| 9767360706 | decomposers | Organisms that break down the dead remains of other organisms | 14 | |
| 9767360707 | detritivores | feed on plant and animal remains and other dead matter | 15 | |
| 9767360708 | ecology | Scientific study of interactions among organisms and between organisms and their environment | 16 | |
| 9767360709 | ecosystem | A biological community of interacting organisms and their physical environment. | 17 | |
| 9767360710 | fermentation | Process by which cells release energy in the absence of oxygen | 18 | |
| 9767360711 | food chain | A series of steps in which organisms transfer energy by eating and being eaten | 19 | |
| 9767360712 | food web | A community of organisms where there are several interrelated food chains | 20 | |
| 9767360713 | greenhouse gases | Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere that trap energy as heat in the earth's atmosphere | 21 | |
| 9767360714 | gross primary productivity (GPP) | amount of energy converted to chemical energy by photosynthesis per unit time in an ecosystem | 22 | |
| 9767360715 | herbivores | Eat plants | 23 | |
| 9767360716 | heterotrophs | An organism that obtains organic food molecules by eating other organisms or their by-products. (consumer) | 24 | |
| 9767360717 | hydrologic cycle (water) | the biogeochemical cycle that collects, purifies , and distributes the earth's fixed supply of water from the environment to living organisms and then back to the environment | 25 | |
| 9767360718 | hydrosphere | All the water at and near the surface of the earth, 97% of which is in oceans | 26 | |
| 9767360719 | greenhouse effect | Anticipated increase in Earth's temperature, caused by the greenhouse gases trapping the heat energy of the sun and the earth in the troposphere | 27 | |
| 9767360720 | net primary productivity (NPP) | the rate at which biomass accumulates in an ecosystem | 28 | |
| 9767360721 | nitrogen cycle | the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms | 29 | |
| 9767360722 | omnivores | Consumers that eat both plants and animals. | 30 | |
| 9767360723 | organisms | Living things | 31 | |
| 9767360724 | photosynthesis | Conversion of light energy from the sun into energy that plants consume. 6CO2 + 6H2O + light --> C6H12O6 + 6O2 | 32 | |
| 9767360725 | phosphorus cycle | The movement of phosphorus atoms from rocks through the biosphere and hydrosphere and back to rocks. | 33 | |
| 9767360726 | population | A group of individuals that belong to the same species and live in the same area | 34 | |
| 9767360727 | primary consumers | animals that feed on producers; ex. herbivores | 35 | |
| 9767360728 | producers | Organisms that make their own food | 36 | |
| 9767360729 | pyramid of energy flow | Diagram representing the flow of energy through each trophic level in a food chain or food web. With each energy transfer, only a small part (typically 10%) of the usable energy entering one trophic level is transferred to the organisms at the next trophic level. | 37 | |
| 9767360730 | secondary consumers | organisms that consume primary consumers. | 38 | |
| 9767360731 | stratosphere | 2nd layer of atmosphere; extends from 10 to 30 miles up; location of ozone layer; absorbs 95% of Ultraviolet radiation; temperature increases with altitude increase. | 39 | |
| 9767360732 | sulfur cycle | Cyclic movement of sulfur in various chemical forms from the environment to organisms and then back to the environment | 40 | |
| 9767360733 | tertiary consumers | organisms that consume secondary consumers or other tertiary consumers. | 41 | |
| 9767360734 | trophic level | each of several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy. | 42 | |
| 9767360735 | troposphere | 0-17 km above Earth's surface, site of weather, organisms, contains about 75% of the atmospheric water vapor. (temperature decreases with increasing altitude, pressure decreases) | 43 | |
| 9767360736 | biomes | a broad, regional type of ecosystem characterized by distinctive climate and soil conditions and a distinctive kind of biological community adapted to those conditions. | 44 | |
| 9767360737 | climate | The average weather conditions in an area over a long period of time | 45 | |
| 9767360738 | ocean currents | A directional movement of ocean water; surface currents result from steady winds over the ocean surface; deep currents result from density variations due to temperature and salinity differences. Also influence precipitation | 46 | |
| 9767360739 | permafrost | a layer of underground soil in which captured water stays frozen for more than 2 consecutive years | 47 | |
| 9767360740 | rain shadow effect | a reduction of rainfall and loss of moisture from the landscape on the side of mountains facing away from prevailing surface winds | 48 | |
| 9767360741 | weather | The condition of Earth's atmosphere at a particular time and place. | 49 |
