geological timeline Reflection

In this Reflection, we were asked, "describe three major events in Earths history". I found that 3 major events that have happened are the dinosaurs and how they lived in this planet when all of the sudden a meteorite came out of no where and created a mass extinction killing the Dinosaurs and other species as well. Another event is when marine life went on to land which help create land animals. Another one includes the different evolutions in this planet for example monkey to human, wolf to dog and many more. This data shows 3 major events overtime and how it helped develop our world today.
https://upload.wikimedia.org/wikipedia/en/9/9a/PreCambrian_Era_Geological_Timeline.png

Earth is approx. 4.6 billion years old. Since the beginning of time on Earth when the Earth was covered in rocks has evolved so much overtime. Now there are animals, oceans, plants, electronics, and many more. One thing that surprises me the most is that Earth is really old, yet humans have been on this planet for so little compared to other species and the time of how old Earth is. Homosapiens are around 4 million years old which is only 0.00086956521 or 4/4,600 of Earths age.
https://commons.wikimedia.org/wiki/File:Human_evolution_scheme.svg

As humans we have had such a huge impact on Earth both good and bad. The good things are is that we have farmed and know how to survive and also we have had a industrial revolution and a technological revolution. The bad things is that we are causing global warming and are killing our planet.


https://commons.wikimedia.org/wiki/File:Hartmann_Maschinenhalle_1868_(01).jpg

I inly have a few questions that are on my mind, which are, What came first in time Fruit or vegetables?  Also, When the meteorite killed all the dinosaurs, how did the meteorite affect the Earth otherwise? Did the Earth have many Earthquakes? Were there tsunamis?

Unit 8 Reflection

In this Unit, Unit 8, we were taught about evolution. The major themes and understandings to help us better understand evolution was Natural and Artificial selection, the 4 different types of isolations, being reproduction isolation, geographic isolation, behavioral isolation, anat one extremed  temporal isolation. We were also taught about the different selections, being Directional selection which favors phenotypes, stabilizing selection which favors the intermediate phenotype, and disruptive selection which favors both extreme phenotypes.

https://commons.wikimedia.org/wiki/File:Drosophila_speciation_experiment.svg


https://commons.wikimedia.org/wiki/File:Selectiontypes-n0_images.png

In this unit I would like to learn more about why a species ant reproduce with each other after going through geographic isolation. I have one unanswered question which is if earth is 4.6 billion years old then how old is the universe? I wonder what the max of how many times a species evolved before the species went extinct? An example of when I was assertive is when I beat this guy in basketball and he still said he was better then me and was really annoying me and making me angry and instead of saying your the worst and stuff like that, all I said was ok maybe next time you will beat me ad then I just walked a way. But I can definitely be more assertive by being more respectful when angry.