From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
We have changed our privacy policy. In addition, we use cookies on our website for various purposes. By continuing on our website, you consent to our use of cookies. You can learn about our practices by reading our privacy policy.
© 2016 Shmoop University, Inc. All rights reserved.

Mechanisms of Evolution Topics in Depth

The Origin of Species

Stop us if you've heard this one:There once was a man on the BeagleThis Darwin, studied finches and seagullsSpecies that he collectedHinted they were naturally selectedAn idea some thought quite il...

The Gene Pool

Ready For a Dip?It's time to break out your swim trunks and floaties, because we're going for a dip in the gene pool.Okay, so we can't really swim in a gene pool. Just pretend we can sit by its edg...

Mutations

Teenage Mutation Ninja TurtlesMutations often get a bad rap, but who doesn't want to mutate from a sweet little pond turtle to a massive crime-fighting ninja reptile? Are mutations good or bad? Ehâ...

Gene Flow and Genetic Drift

Just Goin' With the (Gene) FlowRemember Gilligan's Island? Gilligan's crew is part of a very small human populations separated from the rest of the human species. If they never got off the Island,...

Sexual Selection

That's a Fine Pair of Genes You're WearingWe know we aren't supposed to judge a book by its cover. No one told the peacocks, though. Peacocks can be totally judgmental. After all, a junky paperback...

Natural Selection

Survival of the fittestNatural selection is determined by an organism's fitness. But by fitness, we don't mean winning a strong man's competition. In fact, if natural selection depended on fighting...

Speciation

It's Not You, It's Me.Ah, the classic break-up conversation. Species have been breaking it off with their ancestors for years. When a new species, or "kind" is formed from an existing species, its...

Common Mistakes

Charles Darwin and the Origin of the SpeciesRemember that a genotype represents an organism's genes, while a phenotype is a physical characteristic.  Multiple genes can affect one phenoty...

Test Your Knowledge!

Charles Darwin and the Origin of the Species1. Which of the following affect natural selection?  (A) Time(B) Environment(C) Geography(D) A and C(E) All of the above2. True or Fal...

People who Shmooped this also Shmooped...

Advertisement