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EcoIogy Vocab
Vocabulary about ecology
| Question | Answer |
|---|---|
| What is ecology? | The scientific study of interactions among organisms and between organisms and their enviroment, or surroundings |
| What is the biosphere? | The combined portions of the planet in which all of life exists, including land, water, and air or atmosphere |
| What are species? | A group of organisms so similar to one another that they can breed and produce fertile offspring |
| What is a population? | Groups of individuals that belong to the same species and live in the same area. |
| What is a community? | Assemblages of different populations that live together in a defined area. |
| What is an ecosystem? | A collection of the organisms that live in a particular place, together with their nonliving, or physical, enviroment |
| What is a autotroph? | Plants, some algae, and certain bacteria that can capture energy from sunlight or chemicals and use that energy to produce food |
| What is a heterotroph? | Organisms that rely on other organisms for their energy and food supply |
| What is the food web? | A network of complex interactions amoing the various interactions |
| What is the trophic level? | Each step in a food chain or food web |
| What is biomass? | The total amount of living tissue within a given tropic level |
| What is biogeochemical cycle? | Elements, chemical compounds, and other forms of matter that are passed from one organism to another |
| What is a limiting nutrient? | The nutrient that is scarce or cycles very slowly |
| What is weather? | Day-to-day condition of Earth's atmosphere at a particular time and place |
| What is climate? | year-after-year temperature and precipitation in a particular region |
| WHat is the green house effect? | The natural situation in which heat is retained by this layer of greenhouse gases |
| What is a biotic factor? | The biological influences on organisms withing an ecosystem |
| What is an abiotic factor? | Physical, or nonliving, factors that shape ecosystems |
| What is a niche? | The full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions |
| What is logistic growth? | When a population growth shows or stops following a period of exponential growth |
| What is carrying capacity? | When the number of yeast cells does not go any higher |
| What is demograghy? | The scientific study of human populations |
| What is demographic transition? | A drmatic change in birth or death rate |
| What is the green revolution? | Global effort to increase yields of rice, wheat, and other crops |
| What is renewable resource? | Resources that can be regenerated and replaced |
| What is a pollutant? | Harmful material that can enter the biosphere through land, air, or water |
| What is biodiversity? | The sum total of the genetically based variety of all organisms in the biosphere |
| What is biological magnification? | When a carnivore eats a herbivore and the toxic substances concentrate further |
Created by:
-michael
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