Evolution W3 - Evidence of Evolution - 10/15/17

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Summary:
There are four lines of evidence for evolution: comparative anatomy, embryology, fossil records, and DNA. This evidence is what helps us determine our hypothesis, that all living things have a common ancestor and that natural processes can decide who lives and who dies. Embryology is the study of how creatures progress before being born and noting similarities. The fossil record is the process of comparing and contrasting animals that are alive today with fossils of animals who are now extinct to help figure out which animals they may have evolved from. Comparative anatomy is looking at the similar and different features in different organisms and species to see if they may have evolved from each other. Finally, you can use DNA to see which animals are closely related to one another. These lines of evidence help us come to the conclusion that animals evolved and are related to each other through a common ancestor.



SP2 - Using modelsTo see the evidence of evolution in action, my group and I created a poster that showed the evolution of the Adventurian organism. Starting from to the Cambrian era, we looked at the first organism. Throughout time, the organism grew legs, became a reptile, and split into two branches, grayheads, which grew legs, and whiteheads who stayed as fish. This showed how fossil records can help us see how different animals are related. This is due to the fact that if we hadn't seen the Devonian Era, we would not have known that the two branches of the "Adventurian" were actually related.

XCC - Patterns;
Through the weeks of studying evolution, I have come to the conclusion that patterns are everywhere. You can apply the four lines of evidence for evolution to an organism with the common ancestor to see how it evolved. You can use comparative anatomy to see that the physical appearances may seem the same. You can use embryology to see that the parts inside it may be the same or similar. You can use fossil records see how the structure of the organism and how it acts are similar and/or different. You can use DNA to see how the organism is similar in function. All for all, the fact that you can apply the four lines of evidence to things such as video games, gave me a deeper understanding of the topic.

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