Examlex
Place the following compounds in order of increasing strength of intermolecular forces.
CH4 CH3CH2CH3 CH3CH3
Evolution Timescales
The long periods over which evolutionary processes such as mutation, selection, and drift act, ranging from thousands to billions of years.
Natural Selection
The process by which organisms that are better adapted to their environment tend to survive and produce more offspring, a key mechanism of evolution.
Beak Size
The physical measurement of the length or depth of a bird's beak, which can influence its ability to feed and mate.
Fossil Record
The collection of all known fossils and their placement in chronological order, providing evidence about the history of life on Earth.
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