A bird's beak or bill is an important part of their anatomy. Different birds have different types of beaks which are adapted to what they eat and their lifestyle. Beaks are also used to identify different bird species. ... Finches and Sparrows have short, but powerful beaks which are adapted to grind up seeds and nuts.
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Answer:
C. due to the food they eat
Explanation:
A bird's beak or bill is an important part of their anatomy. Different birds have different types of beaks which are adapted to what they eat and their lifestyle. Beaks are also used to identify different bird species. ... Finches and Sparrows have short, but powerful beaks which are adapted to grind up seeds and nuts.