Wednesday, November 10, 2010

Current event 5: When frog gender flips.

When frog gender flips
Science news 
Nov 10, 2010
http://www.sciencenewsforkids.org/articles/20100324/Note2.asp

In California a student from a University is checking on frogs every day and one day he found a very unusual behavior between the frogs. He found that when he first started examining this group they were all acting or are males but now some of the frogs are acting like females. The students think that, there is a chemical in the tank that is changing them. The thing is a weed killer called atrazine, and ever since the frogs were birth the frogs have been living in this tant with this water. 

A student says that 30% of the frogs that were born there they were male and those guys were atrazine and they turned into females, and they are somehow sending a signal to males to come and mate. This weed killer that the farmers spray it goes don the plant and then affects the water and it drifts down it and then stays of the surface and then it affects the frogs. 

The students say the 40 of the frogs that live in the water have atrazine and that before they turned into girls the frogs already had girl hormones. 

The students say it is important to know how chemicals can affect an animal. 

I think that this article was super interesting and that it would help people learn in science and help them learn about how a frogs life works. I also liked in this article how it told me what the student felt, thought and how they examined the frogs. 

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