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SNC 1DI - ECOLOGY
ECOLOGY REVIEW
| Question | Answer |
|---|---|
| Predation | One organism (the predator) kills and consumes another organism (the prey) (+,-) |
| Detritivore | An organism that feeds on freshly dead or partially decomposed organic matter (detritus) (+,0) Kind of like Commensalism, but not really a species interaction. |
| Competition (general) | The use or defense of a resource by one individual that reduces the availability of that resource to other individuals. (-,-) |
| Intraspecific Competition | The use or defense of a resource by one individual that reduces the availability of that resource to other individuals of the same species. |
| Interspecific Competition | The use or defense of a resource by one individual that reduces the availability of that resource to other individuals of other species. |
| Nonrenewable Resource | A resource that is not regenerated and which becomes unavailable when it is used. |
| Renewable Resource | A resource that is continually regenerated or renewed. |
| What is Ecology? | The study of living things & their environment. |
| What is an ecosystem? | Living and non-living things that interact within a given area. |
| What is environment? | The surroundings of an object. |
| What is biodiversity? | Many different organisms living together. |
| What does native species mean? | Occurring naturally in the area. |
| What is an invasive species? | Something not from the area and also causes disruption to food web. |
| What is migration? | Movement of a population from one habitat to another. |
| What is abiotic | Non-Living things found in environment. |
| Give an example of an abiotic factor found in environment. | Minerals, rocks, water, atmosphere, weather, temperature, sunlight, pollution Minerals, rocks, water, atmosphere, weather, temperature, sunlight |
| What is biotic? | Living things found in environment |
| What is an organism? | A living thing, plant or animal |
| What is an individual? | One single organism. |
| What is a population? | All the individuals of one kind (one species) in a specified area at one time. |
| What is a community? | All the interacting populations in a specified area. |
| What is a food web? | All the feeding relationships in an ecosystem. Many food chains. |
| What is a producer? | an organism that makes its own food by photosynthesis. Example: plants |
| What is photosynthesis? | The process in which plants make food (energy) from sunlight, water and carbon dioxide |
| What is a consumer? | organisms that eat other organisms for energy |
| What is a primary consumers? | organisms that eat only plants. Example: rabbit or cow |
| What is a herbivore? | organisms that eat only plants |
| What is a secondary consumer? | organisms that eat primary consumers. Example: hawk |
| What is a third level consumer? | organisms that eat secondary consumers: human, shark |
| What is a carnivore? | organisms that eats only meat. Example: Tiger |
| What is an omnivore? | organisms that eats both plants and meat: Example: most humans |
| What is a decomposer? | organisms that eats dead matter and breaks it down into chemicals. Example: bacteria and fungi |
| What are trophic levels? | feeding levels found in a food web. |
| What is an autotroph? | organisms that make their own food |
| What is a heterotroph? | An organism that cannot make its own food and must eat other organisms. |
| What is biomass? | The total organic matter in an ecosystem. |
| What is carrying capacity? | The maximum size of a population that can be supported indefinitely by a given environment. |
| What is detritus? | Small parts of organic material. |
| What is a Food Chain? | A sequence of organisms that eat one another in an ecosystem. |
| What is a Food pyramid? | A kind of trophic-level diagram in the shape of a pyramid in which the largest layer at the base is the producers with the first-level, second- level, and third-level consumers in the layers above. |
| What are Phytoplankton? | microscopic plants that live in the ocean. |
| What are Zooplankton? | microscopic animals that live in the ocean. |
| niche | everything an organism does and everything the organism needs in its environment |
| natural selection | responsible for evolutionary changes,survival of the fittest |
| population | a group of organisms of the same species living in the same area |
| herbivore | organisms that eat plants |
| biotic | the living part of an ecosystem |
| abiotic | the nonliving part of an ecosystem |
| host | organism on which a parasite lives |
| habitat | the place in which an organism lives |
| cainvore | animals that prey upon other animals |
| omnivore | organisms that eat both plants and animals |
| feeding level | the location of an organism along a food chain |
| producers | first feeding level in a food chain |
| herbivores | second feeding level in a food chain |
| usable energy | decreases as one moves from one energy level to the next energy level |
| competition | interaction in which organisms struggle against each other in obtaining the resources need for life |
| predators | living organisms that catch, kill, and eat other living things |
| prey | the organisms that are eaten by predators |
| symbiosis | a close relationship between two organisms in which one organism lives near, o, or even inside another organism and in which at least one organism benefits |
| commensalism | type of relationship in which one organism benefits from the relationship and the other benefits or is harmed |
| mutualism | interaction between two organism in which both organisms benefit is some manner |
| parasitism | relationship between two organisms in which one benefits while the second is harmed in some fashion |
| parasitism | dog and flea relationship |
| mutualism | bee and flowers relationship |
| commensalism | relationship between you and the mites living in your eyebrows |
| Biodiversity | variety of all life forms- both in number of species and abundance of organisms of different species |
| Pollution | environmental change that has a negative impact on living organisms |
| Percentage of food energy passed from one level to another in a food chain | 10% |
Created by:
douglal
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