Which of the following statements about the studies on Darwin's finches conducted by Rosemary Grant and Peter Grant since the 1970s is correct?     -For the trait of beak depth, there are clear differences among individuals on the island Daphne Major.     -After comparing measurements of beak depth between parents and offspring across many families, they found that similarity in beak depth is mainly due to genetic inheritance.     -After the 1977 drought, it was found that the average beak depth of the population has increased when compared to the population average before the drought.     -The study of Darwinâ s finches is often used as an example of natural selection in the field.     -All of the above

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A:

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Q: None

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A:

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Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.