1. Summary Natural selection is not the evolution of a species. It is the process of genes or characteristics being naturally selected, which are essential for the survival of a species...
1. Summary This three-minute video presents a quick and concise overview of fossils. It also explains the process of permineralization by using a Brazilian agate geode as an example. By...
1. Summary Point mutations are random changes in the DNA code that involve a single pair of nucleotides, causing the evolution of new genetic information in a population without changin...
1. Summary This video focuses on taxonomic classification. It gives some great and clear information on what the three domains are and what distinguishes them from each other. The video...
1. Summary This video defines and explains extinction and the processes that can lead to it. It describes why certain types of plants and animals may become extinct and gives examples o...
1. Summary This video outlines how plate tectonics moved North and South America to where they are today. The video also depicts how plate tectonics influenced the migration of ancient ...
1. Summary This video explains the two different representations of genetic drift. There are examples provided on how both the bottleneck effect and founders effect play a role in genet...
1. Summary This video explains a multitude of topics ranging from how the Earth was formed, early life on Earth, the first Ice Age and when life really began. It starts off from the beg...
1. Summary Feedback loop is compared to a band playing together, each instrument contributing to the feed back of the music. Feed back is output of matter and energy being fed back int...
Summary This video explains two of the main types of speciation. It provides examples of certain isolations or barriers that make way for a new type of species to form. It e...