The Abaco Islands. The Abaco Islands consists of several islands and cays (very small islands) that are great for exploring and snorkeling. Andros Island is the Bahamas' largest island but it's also the least developed. Like other Out Islands, Andros Island is ideal for eco-travelers.
bottleneck (bÅt'l-nÄk') An abrupt and severe reduction in the number of individuals during the history of a species, resulting in the loss of diversity from the gene pool. The generations following the bottleneck are more genetically homogenous than would otherwise be expected. Bottlenecks often occur in consequence of a catastrophic event.
Rating Newest Oldest. Best Answer: A traffic bottleneck is a localized disruption of vehicular traffic on a street, road or highway. As opposed to a traffic jam, a bottleneck is a result of a specific, often temporary, physical condition. Also In population genetics, a population bottleneck occurs when the effective population size, Ne, sharply decreases to a small percentage of the original. The immediate effect of a population bottleneck is to decrease genetic diversity, promoting the effects of stochastic genetic drift over natural selection.