OH MY GOD, Biology is my worst nightmare too. I've always been good at science until I took bio...
I think I have a 78 right now (it was 72 in October)? I've been slowly raising it but I've come to learn bio marks are super hard to raise.
I took Biology 20 (grade 11 bio) in summer school and it literally killed me. Since I'd never taken the course before, it was so fastracked putting five months of info into three weeks, I just couldn't handle it and squeaked by with a 72.
All I need is to pull it up to an 80 and get a 90 on my Diploma exam and it'll be an 85 
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"sow the seeds, sow the seeds to life,
we're packing up to make it right."