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Evolution

Natural Selection is more than just survival of the fittest - Getty/1001Slide

What Natural Selection REALLY Means

John Gould

5 Types of Selection

Chart By: Azcolvin429 derivative work: Azcolvin429 (Selection_Types_Chart.png) [CC-BY-SA-3.0]

5 Misconceptions About Natural Selection

Our Evolution Expert
Evolution
The Latest in Evolution
DNA is transcribed into RNA during the first step of gene expression - National Human Genome Research Institute
Transcription vs. Translation
A comparison of the steps of gene expression - transcription and translation - and how they contribute to evolution.
Charles Darwin was limited by technology for what evidence he had. - Getty/De Agostini / A. C. Cooper
Evidence Darwin Had for Evolution
Evidence for evolution during Charles Darwin's time was limited due to technology and lack of the field of genetics. Here is what he did know.
There have been 5 known major mass extinction events throughout history - Getty/DEA PICTURE LIBRARY
The 5 (or 6) Major Mass Extinctions
A look at the 5 major mass extinction events throughout the history of life on Earth, and possibly a sixth event.
Cutting and processing food may have led to smaller human jaws - Getty/Image Source
Food Processing Decreased Human Jaw Size
The size of the human jaw has decreased as humans evolved. One reason could be the ability to process foods reduced the need for as much chewing.
Embryos of vertebrates are very similar in the early stages - Graeme Campbell
What is Embryology?
A brief definition of the term embryology and why it is considered evidence for evolution.
Scientists are speeding up coral evolution to resist climate change - Getty/Dave Fleetham / Design Pics
Speeding Up Coral Evolution to Combat Climate Change
Some marine biologists are controversially using artificial selection to speed up coral evolution to combat the effects of global warming.
The K-T Extinction killed off all the dinosaurs - Getty/KARSTEN SCHNEIDER
The Fifth Mass Extinction - The K-T Extinction
The fifth major mass extinction event between the Cretaceous Period and the Tertiary Period of the. The K-T Extinction killed off the dinosaurs
Volcanoes were thought to have contributed to the Triassic-Jurassic mass extinction - Getty/DEA PICTURE LIBRARY
The Fourth Mass Extinction - Triassic-Jurassic Period
The third mass extinction event, the Triassic-Jurassic Mass Extinction, is thought to have lasted 18 million years and had many causes.
The evolution of the anole lizard is the subject of an HHMI virtual lab - Getty/Jeff R Clow
Try This Lizard Evolution Virtual Lab!
The HHMI Lizard Evolution Virtual Lab is a great hands on activity for high school science classes to supplement an evolution unit.
Hemoglobin is a protein made up of polypeptide chains of amino acids - Getty/Encyclopaedia Britannica/UIG
Definition of Amino Acid
A brief definition of the term Amino Acid including how it affects evolution of species.
DNA is transcribed into messenger RNA - National Human Genome Research Institute
4 Types of RNA
4 types of RNA - definitions and explanations of their roles in gene expression: mRNA-messenger RNA, rRNA-ribosomal RNA, tRNA-transfer RNA, miRNA-MicroRNA
Teachers need to be prepared to enact the NGSS. - Getty/Hero Images
Next Gen Science Standards Resorces - Evolution
A list of informational articles and lesson plans with hands on activities that align with the Next Generation Science Standards for evolution.
Founder Effect is a type of genetic drift - Professor Marginalia
What is Founder Effect?
A brief definition of the genetics and evolution term founder effect, a type of genetic drift.
Microevolution is caused by changes in DNA - Getty/Steven Hunt
5 Processes That Cause Microevolution
5 Processes that cause microevolution - natural selection, migration, mutations, genetic drift
Many books about evolution were published in 2015 - Getty/Chris Ryan
5 Evolution Books Published in 2015
A list of 5 books about biological evolution published in 2015.
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