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Ecosystem
| Term | Definition |
|---|---|
| Interact | affect (assist or harm) each other. |
| Environment | all the factors in an organism’s surroundings that affect it. |
| Habitat | where an organism lives (a place) |
| ecosystem | is a system formed by a group of living things interacting with each other and their non-living surroundings. Usually balanced in nature. |
| Biotic factors | Biotic factors include all living things and their interactions with other organisms |
| Abiotic factors | An abiotic factor is a non-living part of the environment that affects the lives of organisms. |
| Ecology | Is the study of the relationships between living things and their physical environment. |
| Parasitism | Symbiosis where one species benefits and the other is harmed Example-Mosquito& human |
| commensal | Symbiosis where one species benefits and the other in neither help or harmed Example- shark& Remora |
| mutualistic | Symbiosis where both species benefit Example- bee& flower |
| symbiosis | A close relationship between species that benefit at least one of the species |
| competition | Competition is most typically considered the interaction of individuals that vie for a common resource that is in limited supply, but more generally can be defined as the direct or indirect interaction of organisms that leads to a change in fitness when t |
| Predator-prey relationship | An interaction in which one organism kills and eats the other |
| photosynthesis | The reaction in producers that transforms light energy into chemical energy Photosynthesis produces sugar molecules that store chemical energy to support life processes. |
| Cellular respiration | The reaction in living cells that releases energy for life processes |
| Lost matter in a food chain (3 examples) | |
| Stored energy | Energy is transferred between organisms in food webs from producers to consumers. |
| heterotrophic | A heterotroph is an organism that eats other plants or animals for energy and nutrients. |
| autotrophic | An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. |
| Food web | Connected pathways of energy transfer between organisms A food web is built by connecting all the food chains in a particular ecosystem |
| Food chain | One pathway of energy transfer between organisms The arrows in a food chain show the transfer of energy from one type of organism to another |
| Predator-prey graph | A graph showing changes in the numbers of predators and prey |
| The carbon cycle | The continual movement of carbon through ecosystems |
| Interdependent | Living things depend on each other for survival. |
| Great Pacific Garbage Patch | The Great Pacific Garbage Patch is a collection of marine debris in the North Pacific Ocean. |
| Biodegradable | (of a substance or object) capable of being decomposed by bacteria or other living organisms and thereby avoiding pollution. Able to be broken down by bacteria or fungi |
| biomagnification | The increase in concentration of a contaminant up through a food chain |
| omnivore | These consumers eat other consumers and producers. Omnivores eat animals and plants. Most humans are omnivores. |
| decomposer | organism that breaks down dead organic material; also sometimes referred to as detritivores. |
| producer | an organism that produces. (makes) its own food |
| Primary consumer | Primary consumers make up the second trophic level. They are also called herbivores. They eat primary producers—plants or algae—and nothing else. |
| Secondary consumer | Secondary consumers are largely carnivores that feed on the primary consumers or herbivores |
| Tertiary consumer | Tertiary consumers are those that eats the secondary consumers |
| Apex predator | an apex predator is a predator that exists at the very top of the food chain. Unlike some other predators, it never preyed upon itself. |
Created by:
Dnalawattage
Popular Ecology sets