Problem with statistics and line of regression

Hello,

I dont know if the place for my question is here, but i will be thankful if someone help me.

I have a problem with deciding which of these polynoms or best describes the data i have (first column is for count of eggs and the second colum is for length of tirtle (mm)):

[KSSV]

Try both, get the error and you decide.

[Melda Harlova]

Thank you so much!

[Melda Harlova]

I have these standard errors. Did u mean these or im doing it wrong.