Biology Post-exam Discussion

[alphamale]

Is a strong collar bone for brachiation a valid answer for the climbing trees one?

Well thats quite an exotic answer. I talked about the opposable digits on the toes.

I think  I screwed up the binary fission mitosis difference question. I forgot how binary fission worked!

[Burto]

i thought it was a decent exam and yeah the 1st multiple choice was ambiguous, i chose the option about eukaryotes as well.

[Taters]

where did you guys put the X on the graph and do you guys remeber how many years it was?

2 and 12000 years

[Shenz0r]

where did you guys put the X on the graph and do you guys remeber how many years it was?

Since you had 1/4 of the Carbon-14 remaining, two half-lives have passed (after one half-life, 1/2 of the C-14 will be present, after two, a half of a half = 1/4 of the C-14 is present)

Since one half-life is 6000 years, the age of the fossil (or whatever it was) is 2 x 6000 = 12,000 years

[curry_bro]

anyone noe whether anyone has a set of suggested answers for the exam? i have a eerie feeling i severely stuffed up the last evolution questions due to my vagueness

[laurameulman]

What about the very last question about the burning mat and technological evolution? I think i just said something about how they used fire but others thought it was something to do with a burial ritual? I don't know :s

[Biceps]

would saying a rotator cuff would be correct?

[Wazzup]

Very good exam VCAA. I was able to finish it... but made mistakes hahaah.. I did 3000 instead of 12000 what stupidity !

[Burto]

i said it indicated they were advanced enough to use fire too, so i dunno about a burial ritual :/

[slothpomba]

Anyone get a copy?

Also, we should probably try keep exam discussion to the exam discussion forum hey - Biology .

Seems like the more popular thread too.

[LOLs99]

where did you guys put the X on the graph and do you guys remeber how many years it was?

Since you had 1/4 of the Carbon-14 remaining, two half-lives have passed (after one half-life, 1/2 of the C-14 will be present, after two, a half of a half = 1/4 of the C-14 is present)

Since one half-life is 6000 years, the age of the fossil (or whatever it was) is 2 x 6000 = 12,000 years

what did u put for tthe question after those...it asked u to state another absolute dating.

[Shenz0r]

Potassium-Argon dating

[Biceps]

50 hopefully got 68/75 unit 3. this exam should be around 72-73

[slothpomba]

I feel so bad  now, there are lots of vocabulary I didn't understand at all. I saw the ques and was like wth, what does this word mean. Probably just me because I'm ESL student ==

Just out of interest, what kind of things didn't you understand? This is really something that shouldn't happen and that the VCAA should really take notice of.

I'm sure it must be hard though, pretty impressive being able to speak two languages though. I probably can't even say hi in your first language and look how well you're doing in your second haha.

For all those asking copies, they'll filter out eventually. It's just a question of when.

[darren3214]

so a relative dating method wouldnt work :/ misread the question