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SLS Bio11 Ecology
| Term | Definition |
|---|---|
| Carrying Capacity | The maximum population size that a species' environment can sustain indefinitely, given the current levels of resources. |
| Cellular Respiration | Cellular respiration is a set of metabolic processes that take place within an organism's cells in order to convert biochemical energy into adenosine triphosphate, and then release waste products. |
| Chemical Equations | A chemical equation is a symbolic representation of a chemical reaction. |
| Climax Community | A climax community is a region wherein there exists a mature relationship between the organisms therein and their surrounding environment. |
| Commensalism | Commensalism is a type of relationship between two organisms wherein one organism benefits and the other neither benefits nor is harmed. |
| Consumer | Consumer refers to an organism within an ecological food chain that derives its energy from consuming other living organisms. |
| Cyclic Growth | Cyclic growth is a period of population growth during which the population is low and food sources are in abundance. Once the food is consumed and the population has grown exponentially, many die from either predators, starvation or both. |
| Decomposer | The word decomposer refers to an organism that decomposes organic material. |
| Density-Dependent Factors | A density-dependent factor is a factor whose effects on a population's size or growth are affected by the density of the population itself. |
| Density-Independent Factors | A density-independent factor is a factor whose effects on a population are not affected by the density of said density. |
| Ecological Succession | Ecological succession refers to the changes in community composition that occur over time, |
| Energy Flow | Energy flow refers to the flow of the exponentially decreasing levels of transferred biochemical through a biological food system. |
| Exponential Growth | Exponential growth refers to a growth trend wherein there is an unlimited amount of resources offered to a species, and as a result each organism within the species grows in an exponential manner. |
| Logistic Growth | Logistic growth occurs when a population nears its carrying capacity, and as a result signifies a decrease in average growth rate. |
| Mutualism | Mutualism is a form of symbiotic relationship wherein both organisms involved benefit directly from the relationship. |
| Parasitism | Parasitism is a form of symbiotic relationship wherein one organisms experiences benefit from the relationship from the relationship while the other organism is disadvantaged. |
| Photosynthesis | Photosynthesis is the process through which some organisms utilize sunlight to synthesize nutrients from carbon dioxide and water. |
| Pioneer Species | A pioneer species refers to the group of organisms that first survive in a newly exposed area. |
| Population | A population refers to all the members of the same species within a particular area. |
| Producer | A producer is an organism that makes its own energy through biochemical processes. |
| Products | A product is a specific material produced by an organelle within a cell. |
| Pyramid of Energy | A pyramid of energy is a graphical representation of the energy flow within a community. |
| Reactants | A reactant is a substance that undergoes a chemical reaction. |
| Steady State | A steady state is a physical state in which the conditions and characteristics remain unchanged indefinitely. |
| Symbiosis | Symbiosis is an interaction between two organisms living in close physical association. |
Created by:
CFourie
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