Exam 15: Principles of Evolution

An antibiotic is given repeatedly to treat a recurrent ear infection. It worked initially but now is no longer effective. This indicates that the Streptococcus bacterium

In any evolving population of organisms, individual variations exist.

Modern geologists estimate that the age of Earth is about

Inheritable mutations in the genes of an individual arise due to

Variations in a population are produced by __________.

No one is certain what the function of the human appendix is. But, one thing we do know is that we can live without it, without noticeable consequences. Therefore, the human appendix is an example of a(n)

Natural selection is best described as

Who proposed the geological theory of catastrophism?

Daisies and daffodils, have flowers that serve as organs of reproduction, leaves that serve as organs of photosynthesis, and xylem and phloem that move water and food throughout the plant. These similarities are best explained by

Assume it is possible to remove continuous cores of rock from Earth that are 3,000 feet long and contain fossils. What would the theory of evolution by natural selection predict about the fossils found in such cores as they are examined from top to bottom?

Which of the following are vestigial structures?

A man spends his lifetime perfecting his painting skills. He has his daughter paint as well. He expects his grandson to be a world-famous painter. Whose theory is this man using?

Which organism is LEAST likely to survive to reproduce?

The publication date of On the Origin of Species by Means of Natural Selection is

The theory that earthquakes, floods, and other natural disasters cause extinctions of some species while leaving others unharmed is __________.

How does Lamarckʹs proposed method of evolution differ from Darwinʹs?

Observations of a wide variety of vertebrate embryos suggest that

A postulate is

Humans still have body hair even though it is greatly reduced and serves little function. The hair is a(n)

Charles Darwin believed that artificial selection was