Why Did T Rex Have Such Tiny Arms?

To learn more about this topic, start your googling with these keywords:

• Evolutionary Mechanisms: Forces that change the frequency of genes in populations.
• Natural Selection: The process whereby traits that make animals more likely to survive and reproduce take hold in a population.
• Vestigiality: The process by which a genetically-determined structure loses some or all of its functionality.
• Genetic Drift: A change in the frequency of an allele due to random sampling.

MinuteEarth is produced by Neptune Studios LLC

https://neptunestudios.info

If you like what we do, you can help us!

- Become our patron: https://patreon.com/MinuteEarth  

- Buy our merch: http://dftba.com/minuteearth  

- Buy our book: https://minuteearth.com/books

- Sign up to our newsletter: http://news.minuteearth.com  

- Share with your friends and family

- Leave us a comment (we read them!)

Learn more about your ad choices. Visit megaphone.fm/adchoices