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Competition Typically Increases with the Density of Nearby Individuals

question 9

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Competition typically increases with the density of nearby individuals. However, Hoare and colleagues (2004) found that killifish in some circumstances prefer to associate with more rather than fewer fish. What can explain this observation?


Definitions:

Five-Carbon Sugar

A type of sugar molecule that contains five carbon atoms, examples include ribose and deoxyribose, important in RNA and DNA structures.

Plasmids

Small, circular, double-stranded DNA molecules found in bacteria and some yeasts, separate from chromosomal DNA and often carry genes beneficial for survival.

Circular DNA

DNA that forms a closed-loop structure, characteristic of bacterial chromosomes and plasmids, facilitating gene transfer and replication.

Bacterial Chromosome

The circular DNA molecule within bacteria that contains most of the genetic material required for their cell processes.

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