Number of Birds 50 30- 20- 10. 0 7.3 7.8 8.3 9.3 9.8 A Beak Depth (mm) 8.8 A Caption: Distribution of beak depths of medium ground finches (Geospiza fortis) on the island of Daphne Major in 1976 (white bars) and of the survivors of the 1977 drought (black bars). The means of the two populations are indicated by the carets. Not all species have the same size beak 1976 Parents Which of the following is NOT a conclusion you can make from the figure above. Think back to the beak of the finch video. More finches are born than can survive 10.3 10.8 11.3 O Birds with some larger beaks survive at higher rates The number of finches always remains the same

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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.