Science Current Event Essay

Earth Science Current Event “Dino-era Delivery At Sea” By: Sid Perkins Source: www - Science Current Event Essay introduction. sciencenews. org Reptiles that lived in the sea during the dinosaur-era evolved successfully because their ancestors decided the gender of the offspring by genetics other than incubation temperature. Now, there are about sixty species of sea snakes, which are the only reptiles to spend their entire lives underwater. They even give birth in the water. Reptiles such as turtles and crocodiles have to go to shore to lay eggs. But there is a huge difference between reptiles that are fully aquatic and the non-fully aquatic reptiles.

With sea snakes the gender of their offspring is determined genetically, not by incubation temperature. Chris Organ an evolutionary biologist at Harvard University took apart the reptile family tree to include only these species: the porpoise-shaped ichthyosaurs, the long-necked plesiosaurs and the snake-shaped mosasaurs. Organ added bird species that lay eggs, and long ago evolved from reptiles to birds and a few mammals. He and researcher found that reptiles that give birth to live young also have sex chromosomes; they determine the gender of the offspring.

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When they expanded the family tree to fit in the ancient marine reptiles, all three groups ended up on the same part of the tree near the groups of species with genetically determined gender. Therefore the analyses states that the ancient marine reptiles had a better than ninety percent chance of having genetically determined gender. When I read this article I was fascinated by the way Organ studied the aquatic reptiles and figured out how, once in their lifetime, they were related to the ancient marine reptiles.

That would be the dinosaur era. This was interesting to me because I like hearing about how some animals could be living descents of Dinosaurs. This is related to Earth Science because it’s a study of earth’s history, and what lived on land millions and millions of years ago. It would be tied into geology and oceanography. Because they studied marine life and also the reptiles that came out of the water and onto land to lay eggs instead of give birth in the water like the ancient marine reptiles and sea snakes.

Science Current Event Essay

Summary- The Statistics from the University of Valencia(UV) states that bullying from a cellular device affects teenagers - Science Current Event Essay introduction. The preponderance of the cases seems to tell that the abuse of cyber bullying lasts for a month or less. When bullying last more than three months it is most likely the form of using a cellular device. It is most common for students/children to get bullied their first years at school by phones and the internet. The statistics from(UV) show that girls suffer more bullying than boys. Most common of bullying is verbal bullying, invasion of privacy, spreading rumors, and social exclusion.

Essay- I chose this article because it had to do with bullying and I don’t respect bullying because its immature and if someone is getting bullied or ganged up on I will step in because that’s the kind of person I am. This article did expand my knowledge because before I didn’t know percents of people who got bullied and either went into a depression, or committed suicide, or just couldn’t take it anymore and went crazy. There is one thing that caught my eye and seem very interesting is when it said girls got bullied more then boys, I would think it would be the other way around because boys are more aggressive and violent then girls.

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They try to play around more then girls do but that’s just my opinion. Me personally knew plenty about bullying considering that I have been learning about it for the past couple of years. For example I know that two of the main reasons people are bullied are because of appearance and social status. Bullies pick on the people they think don’t fit in, maybe because of how they look, how they act (for example, kids who are shy and withdrawn), their race or religion, or because the bullies think their target may be gay or lesbian.

A solution is maybe to inform kids earlier about bullying and the reasons not to do it give them all the negatives and what would happen if they did do it because the consequences could scare the children and they wouldn’t want to do it. Or have kids tell an adult right away when they are feeling like they are being bullied because that can stop the situation before the situation increased to a different conclusion of what happens for example, a fight or going into depression.

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