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Ecology
Organisms in their Environment
Question | Answer |
---|---|
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. |