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Quiz 9. Population ecology

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Population ecology

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Quiz 9. Population ecology

Population ecology

Gabriela Hermosillo
1

competition Commensalis Amensalism population birth density mortality Emigration Predation Extrinsic

1 . A group of organisms of the same species occupying a given area and performing genes exchange :
2 . Describes how close individuals are with each other , i . e . the number of organisms per unit of area or volume :
3 . Indicates how many individuals are born as a consequence of reproduction and how often : rate .
4 . It is the number of individuals who die in a given time : rate
5 . Measurement of the movement of individuals between populations , specifically the number of individuals leaving the population : rate
6 . Occurs between organisms that require the same resources , which are limited :
7 . When an organism feeds on another . This benefits one species ( the predator ) and affects the other ( the prey ) : .
8 . One member is affected negatively , for example , plants that feed on others , like a vine that usually plague :
9 . External biotic and abiotic elements or populations that cause mortality or inhibit reproduction , such as droughts or floods , predation , or competition with other species . factors .
10 . One species is benefited in some way , such as remoras that live around sharks , feeding on the scraps and leaves it as a transport .