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A Study of Darwin's Finches After a Long Period of Drought

question 48

Multiple Choice

A study of Darwin's finches after a long period of drought found that all species of finch on one of the islands have developed wide beaks in order to break open seeds.The type of evolution that leads to this phenotype distribution is:


Definitions:

Receptor

(1) In cell biology, a molecule on the surface of a

Clathrin

A protein that plays a critical role in the formation of coated vesicles, involved in the transport of molecules within cells.

Amphipathic

Refers to molecules having both hydrophobic (water-repelling) and hydrophilic (water-attracting) parts, enabling interactions with both water and lipids.

Cholesterol

A type of lipid found in the blood that is essential for building cells but can lead to heart disease if levels are too high.

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