Duplicate of Evolution

A modern source of evidence for evolution comes from something Darwin never knew about.

When a species can not adapt fast enough to its changing environment.

When using the phrase "survival of the fittest" to describe evolution, "fittest" means:

This transitional fossil provided the "missing link" between sea and land animals.

Where Darwin began work on his theory of evolution.

The Tiktaalik fossil provides evidence for the theory that all land animals had a ____ ancestor

Darwin studied all of these subjects except:

Origin of the Species was a book written by a naturalist named

An extinct species that linked reptiles to birds in the fossil record.

Which of the following animals is not a vertebrate?

Natural______ has taken place when white bugs are eaten more often than brown camouflaged bugs.

The anatomy of whale fins, human arms and bird wings are an example of:

The evidence for the theory of evolution does not include:

Random __________ in genes can lead to favorable adaptations in a species.

Genetic variation, adaptation, and isolation in a population can lead to a new________

A whale's pelvis is an example of a _________ structure; it is no longer needed for survival.

How old is the earth?

This is drawn to show the evolutionary relationship between animals

Which species has the most recent common ancestor with humans?

When organisms with the best adaptations for their environment survive and have offspring. 

In order for there to be variation in a species, this must randomly occur:

When species change over a long period of time

Darwin observed differences in the shape of these in finches depending on their food source.

Which of these is not a homonid ancestor of modern humans?

An inherited trait that helps an organism survive.