Evolution

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

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

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

Which of the following animals is not a vertebrate?

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

An inherited trait that helps an organism survive.

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

This is drawn to show the evolutionary relationship between animals

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

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

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

The evidence for the theory of evolution does not include:

How old is the earth?

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

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

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

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

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

Darwin studied all of these subjects except:

Where Darwin began work on his theory of evolution.

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

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

Which species has the most recent common ancestor with humans?

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

When species change over a long period of time