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Ecology

Organisms in their Environment

QuestionAnswer
A living part of an organism’s habitat Biotic Factor
Nonliving parts of an organism’s habitat. Abiotic Factor
The process in which organisms use water along with sunlight and carbon dioxide to make their own food Photosynthesis
All the members of one species in a particular area Population
a group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce. Species
All the different populations that live together in an area Community
The community of organisms that live in a particular area, along with their nonliving surroundings Ecosystem
The study of how living things interact with each other and with their environment Ecology
A process by which characteristics that make an individual better suited to its environment become more common in a species. Natural Selection
the behaviors and physical characteristics that allow organisms to live successfully in their environments Adaptations
The role of an organism in its habitat, or how it makes its living Niche
the struggle between organisms to survive as they attempt to use the same limited resource Competition
close relationship between two species that benefits at least one of the species. Symbiosis
A relationship in which both species benefit Mutualism
A relationship in which one species benefits and the other species is neither helped nor harmed Commensalism
involves one organism living on or inside another organism and harming it. Parasitism
An organism that can make its own food Producer
An organism that obtains energy by feeding on other organisms Consumer
Herbivore Plant Eater
Omnivore Plant and Animal Eater
Carnivore Animal Eater
a carnivore that feeds on dead animals scavenger
Breaks down waste and dead organisms Decomposers
series of events in which one organism eats another and obtains energy food chain
many overlapping food chains in an ecosystem food web
Chlorophyl Pigment that allows the absorption of light in plants
Chloroplasts Specialized orgnalled of the plant where photosynthesis occurs.
Created by: MrCscience