Biology
Grade-9
Easy
Question
Darwin's finches displayed different structural adaptations. One such adaptation that Darwin noted was
- Similarities in the bird's embryos
- Length of the bird's neck
- Different - shaped beaks of the birds
- Number of eggs in every bird's nest.
Hint:
They famously evolved to have different beaks which are suited to different food types such as large seeds and invertebrates, allowing them to occupy different niches. Darwin's finches are all very similar in shape, size, and color, but there are a few differences that can help when identifying them.
The correct answer is: Different - shaped beaks of the birds
- Darwin's finches are a group of about 18 species of passerine birds. They are well known for their remarkable diversity in beak form and function.
- They are often classified as the subfamily Geospizinae or tribe Geospizini. They belong to the tanager family and are not closely related to the true finches.
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