Class Response

In class, we have been learning about ecology for a long time. Some of the things I have learned are:     1. A biosphere is the whole world and it is the biggest of the 5 levels of environmental graphic organizer.

            2. There are 3 forms of symbiosis: commensalism, mutualism and parasitism 

            3. Food chains and food webs are different. Food chains are just some animals, but food webs are all of the food chains overlapping each other.

On  the internet I found out 2 new facts: 1. There are many different types of jobs in ecology like, ecologists, ecotoxicologists, environmental economists, environmental consultants, science writers and many for.

2. The food chain always starts with the sun for the producers to get their energy. 

My opinion on this is that ecology is very important to the world because it helps us learn about the world and how we can make it better.

I got my info from: http://kids.nceas.ucsb.edu/ecology/careers.html and http://www.planetpals.com/foodchain.html    

Symbiosis

In class we have been learning facts about symbiosis for a while. One fact is that there are 3 different types of symbiosis: parasitism, commensalism and mutalism. Another fact we learned, is symbiosis is everywhere around you, and even on you! Finally, we learned that symbiosis can be good or bad depending on the relationship between the 2 oraganisms. When I went on the internet, I found out that a mycologist from Germany named Heinrich Alton de Bary, was the 1st to ever use the word, symbiosis. Also, I found a new word: symbiote which mean, an organsim living in symbiosis. After everything I've learned , I think without symbiosis, our world would be very different, because organisms would't be interacting with each other. That could mess up how the world works.




I got my info from: http://en.wikipedia.org/wiki/Symbiosis

A new look at Saturn's rings

This article is about how scientists from NASA are recounting the rings of Saturn, and found out that Saturn's rings are really young. The way these scientists are figuring out how old the rings are is the same way you do with a tree, you count how many rings there are. One ring equals 1 year. When they counted Saturn's rings, they found out that it was only 100 million years old which is little compared to the solar system which is 4.6 billion years old. The people who worked at NASA also determined the age by looking at the characteristics of particles in the rings. Since the rings were shiny and they were reflecting that meant that the particles were young. They thought they were young because they didn't have enough time to become darkened and less reflective. Other scientists say they they over looked some parts of the rings but I think they just missed a couple of circles that were really close together.

I got my info from: http://www.sciencenewsforkids.org/articles/20081022/Note3.asp    

Penguins Ride Air Force Jet to South Atlantic

This article is about how more than 370 penguins washed up on a northern Brazil beach, and no one knows how they got there. There were about 1,000 penguins that washed up and 20 percent died.  However, the ones who were healthy got sent back to southern Brazil in an air force cargo plane. People are calling this the biggest penguin release ever in South America. Experts hope that the older penguins will help the younger ones find their way to Patagonia. Also they said that a big breed of penguins in southern Argentina and Chile move north as far as southern Brazil. But environmentalists say it's not hoe the penguins got to northern Brazil. I think this is really weird how they don't know how the penguins got there. My guess is that the tides were really strong and pulled them all the way. 

I got my info from http://www.time.com/time/health/article/0,8599,1847845,00.html

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