[Answer] A population of birds colonizes an area in which the insects upon which they feed live inside trees. Which of the following events accounts for an observed increase in average beak size in the bird population over time?

Answer: Increased fitness of large-beaked birds leading to natural selection(Why: Birds with larger beaks are better able to survive in the new enviornment)

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A population of birds colonizes an area in which the insects upon which they feed live inside trees. Which of the following events accounts for an observed increase in average beak size in the bird population over time? Birds are a group of feathered theropod dinosaurs and constitute the only living dinosaurs. Likewise birds are considered reptiles in the modern cladistic sense of the term and Tool use by animals is a phenomenon in which an animal uses any kind of tool in order to achieve a goal such as acquiring food and water grooming defense communication recreation or construction.Originally thought to be a skill possessed only by humans some tool use requires a sophisticated level of cognition.There is considerable discussion about the definition of what … The tawny owl or brown owl (Strix aluco) is a stocky medium-sized owl commonly found in woodlands across much of the Palearctic.The tawny owl is a member of the genus Strix that is also the origin of the family's name under Linnaean taxonomy. Its underparts are pale with dark streaks and the upperparts are either rufous brown or grey. Several of the eight recognised subspecies have each of ... The long-eared owl (Asio otus) also known as the northern long-eared owl or more informally as the lesser horned owl or cat owl is a medium-sized species of owl with an extensive breeding range. The scientific name is from Latin.The genus name Asio is a type of eared owl and otus also refers to a small eared owl. The species breeds in many areas through Europe and the Palearctic as well ... The Sixth Extinction II: Amor Fati Nominator(s): Gen. Quon 23:07 28 December 2012 (UTC) The third time is the charm! This is the s...

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