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National 5 Biology 2016

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Reply 40
Avatar for jenmje
jenmje
Original post by Salenite
Did anyone else say coronary artery for the question about the blood vessel that supplied blood to the heart muscle?


I got pulmonary vein not sure if it's right though!
Reply 41
Avatar for M.U.A
M.U.A
1
I think the average decrease was 2, as it started with 15 and after 5 years decreased by 10 thus, 10 divided by 5 is 2
Original post by LMM18
What did everyone say for the environmental factor question?


I put temperature??
Original post by _katie123123_
I'm pretty sure I put 80% too. Did u get 8400 for one of the?

For the kilojoule question then yeah, I got that too I think :P

Original post by jenmje
I got pulmonary vein not sure if it's right though!


All I remember is that it was "coronary" :tongue:
Reply 44
Avatar for LMM18
LMM18
1
Original post by _katie123123_
I put temperature??


Same but I said it speeds up the rate of evaporation, not sure if that's right though.
Reply 45
Avatar for jj1814
jj1814
8
Original post by M.U.A
I think the average decrease was 2, as it started with 15 and after 5 years decreased by 10 thus, 10 divided by 5 is 2


No it's 2.5, I worked it out in my head

15, 12.5, 10, 7.5, 5 (5 years)
15, 13, 11, 9, 7, 5 (6 years)

Edit: wait, I see what you mean, I don't think I'm right :frown:
(edited 7 years ago)
Reply 46
Avatar for M.U.A
M.U.A
1
What did everyone get for the reason why the plant decreased, I said due to competition and high intensity levels of grazing
What did people get for question 10 in the multiple choice. The one about glucose level?
Original post by M.U.A
What did everyone get for the reason why the plant decreased, I said due to competition and high intensity levels of grazing


What question was that?
Original post by jj1814
No it's 2.5, I worked it out in my head

15, 12.5, 10, 7.5, 5 (5 years)
15, 13, 11, 9, 7, 5 (6 years)


I put 2 as well
Reply 50
Avatar for LMM18
LMM18
1
Did everyone put gull at the top of the pyramid and like grass or whatever is was at the bottom?
Original post by LMM18
Did everyone put gull at the top of the pyramid and like grass or whatever is was at the bottom?

I got confused on that question cos I wasn't sure whether it was the total mass or just the mass of one animal??
Reply 52
Avatar for M.U.A
M.U.A
1
Original post by _katie123123_
What question was that?


I think it was why the rat something plant decreased, it was after calculating the average decrease of the plant
Original post by LMM18
Did everyone put gull at the top of the pyramid and like grass or whatever is was at the bottom?


Yeah I got gull for the top and for average decrease I got 2...

What did you guys get for the hours one ?
I got 2.5 as I worked out the mean (x̄=∑x/n) which was 10/4. I got 4 as it decreased 4 times over 5 years - if it was 5 times then it would be 6 years.

10/4 = 2.5
Reply 55
Avatar for LMM18
LMM18
1
Original post by Lewis H01
Yeah I got gull for the top and for average decrease I got 2...

What did you guys get for the hours one ?


I got 2 hours
Reply 56
Avatar for M.U.A
M.U.A
1
Original post by LMM18
I got 2 hours


Same, that question was quite tricky though, I had to use the knowledge of the radioactive decrease of a radioisotope to get that from chem and physics ( don't ask me why lol).
(edited 7 years ago)
I did !
Reply 58
Avatar for LMM18
LMM18
1
What did everyone say for source of error for the pitfall trap?
Reply 59
Avatar for M.U.A
M.U.A
1
Original post by LMM18
What did everyone say for source of error for the pitfall trap?


I said too high above soil level or may not be camouflaged. What did you put?

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