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7th_Grade_Science
Interactions of life, communities, A/biotic factors, the nonliving environment
| Question | Answer |
|---|---|
| Includes the top portion of Earth's crust, all the waters that cover Earth's surface, and the surrounding environment | Biosphere |
| Consists of all the communities that live in an aresa and the nonliving features of their environment | Ecosystem |
| Consists of all populations that live in an area | Community |
| Consists of all organisms of the same species that live in the same area | Population |
| Use outside energy source to make energy-rich compounds | Producers |
| How an organism survives, including its habitat, how it obtains food/shelter, and how it avoids danger | Niche |
| Symbiotic relationship in which 1 organism benefits and the other is unaffected | Commensalism |
| Anything that restricts the number of individuals in a population | Limiting Factor |
| The largest number of individuals of 1 species that an ecosystem can support over time | Carrying Capacity |
| Location of Earth relative to the Equator | Latitude |
| Depends on sunlight and altitude | Temperature |
| Two methods that producers use to make energy (Use 'and' in between. Sunlight used goes first) | Photosynthesis and Chemosynthesis |
| Abiotic Factors (SL, W, S, A, C, T) | Sunlight, Water, Soil, Air, Climate, Temperature |
| Model of possible feeding/energy transfer | Food Web |
| Shows comparative amount of energy available at each feeding level in an ecosystem | Energy Pyramid |
| Nitrogen Fixation is performed by ______ | Bacteria |
| Gas from the atmosphere is changed into usable compounds by lightning or by bacteria, decomposing organic matter and animal waste release those compounds into the soil | Nitrogen Cycle |