5 Questions
Provide an example of homologous structures in vertebrates.
An example of homologous structures in vertebrates is the forelimbs, where the wings of bats and birds, the arms of primates, the front flippers of whales, and the forelegs of four-legged vertebrates like dogs and crocodiles are all derived from the same ancestral tetrapod structure.
What is homology in biology?
Homology in biology is the similarity due to shared ancestry between a pair of structures or genes in different taxa.
Who first applied the term 'homology' to biology in a non-evolutionary context?
The term 'homology' was first applied to biology in a non-evolutionary context by the anatomist Richard Owen in 1843.
When was homology later explained by Charles Darwin's theory of evolution?
Homology was later explained by Charles Darwin's theory of evolution in 1859.
In developmental biology, what are organs that developed in the embryo in the same manner and from similar origins called?
In developmental biology, organs that developed in the embryo in the same manner and from similar origins are called homologous organs.
Test your knowledge of homologous structures in biology with this quiz. Explore the concept of similarity due to shared ancestry between different taxa and understand examples such as vertebrate forelimbs.
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