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Stack #597427
Ecology Unit (1)
| Question | Answer |
|---|---|
| abiotic factors | A non-living chemical or physical factor in the environment, such as soil, pH, forest fire, etc. |
| bioaccumulation | Bioaccumulation refers to the accumulation of substances, such as pesticides, or other organic chemicals in an organism. |
| biosphere | Our biosphere is the global sum of all ecosystems. |
| community | A community is organisms of different varieties living in a common area. |
| diversity | The number and variety of species present in an area and their spatial distribution. |
| extinction | Extinction is the end of an organism or of a group of organisms (taxon), normally a species. |
| habitat | Place where an organism or a biological population normally lives or occurs. |
| lithosphere | The earth’s outer solid crust is called Lithosphere. |
| omnivore | An animal that feeds on both plants and animals to survive. |
| population analysis | It is traditionally defined as the process that determines the probability that a population will go extinct within a given number of years. |
| pyramids | A graphical representation in the form of a pyramid showing the feeding relationship and the number of organisms at each trophic level. |
| sustainability | Sustainability describes how biological systems remain diverse and productive over time. |
| acid rain | Acid rain is a rain or any other form of precipitation that is unusually acidic, i.e. elevated levels of hydrogen ions (low pH). |
| bioamplification | Bioamplification is the process that results in the increasing toxic concentration in consumers in successive trophic levels. |
| biotic factors | A factor created by a living thing or any living component within an environment in which the action of the organism affects the life of another organism, for example a predator consuming its prey. |
| consumer | An organism that generally obtains food by feeding on other organisms or organic matter due to lack of the ability to manufacture own food from inorganic sources; a heterotroph. |
| ecology | Ecology is the environment as it relates to living organisms. |
| forestry / deforestation | Forestry is the science of planting and caring for forests and the management of growing timber. Deforestation is the state of being clear of trees. |
| herbivore | A herbivore is any animal that feeds chiefly on grass and other plants. |
| niche | The role or function of an organism or species in an ecosystem. |
| pesticides | A pesticide is any substance or mixture of substances intended for preventing, destroying, repelling or mitigating any pest. |
| predator | An organism that preys upon other organisms. |
| respiration | Any of the various analogous processes by which there is an exchange of gases. |
| trophic level | A position in a food chain or Ecological Pyramid occupied by a group of organisms with similar feeding mode. |
| aquatic ecosystem | An aquatic ecosystem is an ecosystem located in a body of water. |
| biodiversity | Biodiversity is the degree of variation of life forms within a given ecosystem, biome, or an entire planet. |
| carnivore | A carnivore is a terrestrial or aquatic flesh-eating mammal. |
| decomposer | An organisms that feeds on and breaks down dead plant or animal matter. |
| ecosystem | An ecosystem is a system formed by the interaction of a community of organisms with their physical environment. |
| food chain | A food chain is a community of organisms where each member is eaten in turn by another member. |
| hydrosphere | The watery layer of the earth's surface; includes water vapor. |
| nutrient cycles | A biogeochemical cycle or nutrient cycle is a pathway by which a chemical element or molecule moves through both biotic and abiotic compartments of Earth. |
| photosynthesis | Photosynthesis is the process plants use to change carbon dioxide into sugar using sunlight. |
| prey | The organisms that is attacked. |
| soil (layers) | Bedrock, regolith, subsoil, eluviation layer, topsoil, humus. |
| water quality analysis | Water quality is the physical, chemical and biological characteristics of water. |
| atmosphere | The atmosphere is a layer of gases surrounding the planet Earth that is retained by Earth's gravity. |
| biome | A biome is a a major biotic community characterized by the dominant forms of plant life and the prevailing climate. |
| carrying capacity | The maximum number of organisms an area can support without harming the environment. |
| detritus | Detritus is non-living particulate organic material. |
| equilibrium | Equilibrium is the condition of a system in which competing influences are balanced. |
| food web | A community of organisms where there are several interrelated food chains. |
| invasive species | Plants or animals that adversely affect the habitats and bioregions they invade. |
| oil spills / plastics | An oil spill is the release of a liquid petroleum hydrocarbon into the environment due to human activity, and is a form of pollution. A plastic material is any of a wide range of synthetic or semi-synthetic organic solids |
| population | All the organisms that both belong to the same species and live in the same geographical area. |
| producer | An organism that makes food using inorganic material. |
| species | Taxonomic group whose members can interbreed. |
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