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Ecosystems

QuestionAnswer
Organism A living thing, it gets food ,water, and shelter, with other things that it needs to live/grow/reproduce.
Habitat An environment that provides the things a specific organism needs.
Biotic factors The parts of a habitat that are or were once alive and that interact with an organism are called .
Abiotic factors Are the nonliving parts of an organism habitat.
Population All the members of one species living in a particular area.
Community All the difference populations that live together in an area.
Ecosystem The community of an organisms that lives in a particular area, along with the nonliving environment.
Ecology The study of how organisms interact with each other and with their environment.
Species Is a group of organisms that can mate with each other and produce offspring that can also mate and reproduce.
Density The number of individuals in an area of a specific size: population density can be represented as an equation.
limiting factors an environment factor that causes a population to stop growing or to decrease in size, such as a fatal disease infecting organisms is a
Carrying capacity The largest population that an area can support is called
Producer An organism that makes its own food,
Consumer That contains energy by feeding on other organisms
Scavenger Is a carnivore that feeds on the bodies of dead organisms.
Herbivores Are consumers that only eat plants and other photosynthetic organisms.
Decomposers Break down biotic waste and dead organisms, returning the raw materials to the ecosystem.
Food chain Is a series of events in which one organism eats another and obtains energy and nutrients. The arrows indicate the movement of energy and matter as organisms are consumed up the….
Food web Consist of many overlapping food chains in an ecosystem
Energy pyramid Shows the amount of energy that moves from one feeding level to another in a…
Photosynthesis Is the set of chemical reactions plants use to turn light, water, and nutrients into oxygen and energy, in the form of sugars.
Chlorophyll Absorbs light, much like cells in solar panels do. Solar panels take the suns energy and convert it to a form that is useable by electric devices.
Autotroph An organism that is known to make its own food
Heterotroph And organism that has to get its own food from s source.
Niche Includes how an organism obtains its food, the type of food the organism eats and what other organisms eat it
Competition The struggle between organism to survive as they use the same limited resources.
Predation Which one organism kills another for food
Symbiosis Is any relationship in which two species live closer together
Mutualism Which is a relationship In which both species benefit
Commensalism Is a relationship in which one species benefits and the other is neither helped or harmed
Parasitism Is a relationship that involves one organism living with, on, or inside another organism and harming it.
Created by: user-1979085
 

 



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