Biology Darwin's Evolution Study Guide

Homologous structures such as the bones in wings, flippers, and arms are most closely concerned with

Anatomical similarity

Most of Darwin's observations about changes in species overtime and in different environments took place in and near

Galápagos Islands

Darwin concluded that the fossils of extinct Glyptodont must be related to living armadillo. His conclusion is based on

Homologous structures

In what rocks, fossils are found?

Sedimentary

The organisms examined but Darwin on the Galápagos Islands that were most important in his development of the theory of natural selection were

Tortoises and finches

True or false. All the finches, from different species with different beaks, on the Galapagos Islands are descended from a common ancestor (mainland finch) and therefore related.

True

True or false. Evolution can be described as the change of species over time.

True

True or false. Extinction is the product of natural selection.

True

True or false. Homologous structures are inherited from a common ancestor.

True

True or false. The greater the differences in the DNA base-sequence between two species, the farther they are related.

True

Humans evolve with the disappearance of tail, despite the presence of tailbone. The tail in human is a

Vestigial structure