Vestigial Structures

Some articles on vestigial structures, structure, vestigial, structures:

Evidence Of Common Descent - Evidence From Comparative Anatomy - Vestigial Structures
... See also Human vestigiality A strong and direct evidence for common descent comes from vestigial structures ... Rudimentary body parts, those that are smaller and simpler in structure than corresponding parts in the ancestral species, are called vestigial organs ... The existence of vestigial organs can be explained in terms of changes in the environment or modes of life of the species ...
Ear - Vestigial Structures
... These undeveloped muscles are vestigial structures ... horizontal plane, an ability which is not common to most monkeys—a function once provided by one structure is now replaced by another ... The outer structure of the ear also shows some vestigial features, such as the node or point on the helix of the ear known as Darwin's tubercle which is found in around 10% of the population, this ...
Introduction To Evolution - Evidence For Evolution - Comparative Anatomy - Vestigial Structures
... Homology includes a unique group of shared structures referred to as vestigial structures ... Vestigial refers to anatomical parts that are of minimal, if any, value to the organism that possesses them ... These apparently illogical structures are remnants of organs that played an important role in ancestral forms ...

Famous quotes containing the word structures:

    The philosopher believes that the value of his philosophy lies in its totality, in its structure: posterity discovers it in the stones with which he built and with which other structures are subsequently built that are frequently better—and so, in the fact that that structure can be demolished and yet still possess value as material.
    Friedrich Nietzsche (1844–1900)