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Bio
Flashcards
| Term | Definition |
|---|---|
| Ecology | Relation with organisms to one another |
| Food Chains/Food Webs | A series of organisms depending on the next for food/A system of multiple food chains combined together |
| Habitat/ Niche | Natural home or environment of animals/Role of a organism that plays in a community |
| trophic levels | Several ranks/levels in a community |
| Trophic Cascade, Direct effect | A prey that declines/increases a organism under them |
| Trophic Cascade, Indirect effect | A effect on a species of organisms from another species of organisms effecting another species |
| Keystone Species | A species which other species largely depends on |
| Apex Predator | Animal that has no natural perdition or no enemies |
| Primary consumer | Makes up the 2rdtrophic level |
| secondary consumer | Makes up the 3rd trophic level |
| tertiary consumer | Makes up the 4rd trophic level |
| Producers | Makes up the 1st trophic level |
| Herbivore | Organisms that only eat plants/greens |
| Omnivore | Organisms that eat mean and plants/greens |
| Carnivore | Organisms that only eat meat |
| Decomposer | A organism that breaks down organic material |
| Abiotic factor | Non-living thing that affects an ecosystem |
| Biotic factor | Living thing that affects an ecosystem |
| Pyramid of Energy | graphical representation of the energy found within the trophic levels of an ecosystem |
| 10% Rule | when energy is passed in an ecosystem from one trophic level to the next, only ten percent of the energy will be passed on |
| Pyramid of Biomass | the representation of total living biomass or organic matter present at different trophic levels in an ecosystem. |
| Pyramid of Numbers | shows the total number of individual organisms at each level in the food chain of an ecosystem |
| 1st Law of Thermodynamics | Energy cannot be created or destroyed |
| 2nd Law of Thermodynamics | Energy mostly gets changedto heat |
| Carrying Capacity | quantity of things that can be held |
| Limiting Factors | constrains a population to only a certain amount |
| J curve | The worsening of a ecosystem |
| S curve | Slow growth rate of a species |
| Natural Resources | materials or substances such as minerals and water that occur in nature and can be used for economic gain. |
| Ecological Relationships | Population of all different species that live together in a area |
| Mutualism | 2 different species benefit from each other |
| Parasitism | 1 species benefit, the other gets harmed and/or killed |
| Predation | the preying of one animal to another |
| Competition | 2 different species fighting for recourses |
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