Biology as2 CCEA
Biology exam discussion - share revision tips in preparation for GCSE, A Level and other biology exams and discuss how they went afterwards.
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Re: Biology as2 CCEA
I really liked the paper! The essay was brilliant
I didn't like the sand dune question it wasn't too sure of what to write so i just kinda waffled on about measuring out a grid at each position to be sampled and then using a random number calculator to get a random cooridinate to place the quadrat... i didnt wanna write about a belt transect cause i didnt think it could be done randomly
What did people write about the enzyme that fungi secrete to help them break down the dead material?? My mind went blank -
Re: Biology as2 CCEA
For the irregular heartbeat i wrote because the spikes that indicated ventricular systole where at irregular intervals? I didnt know if that was right or not as ive never really seen a quedtion aboutthat... the top photograph was the phloem and the structure Z was the sieve plate... The bottom picture was the xylem and for the calculation i got that the actual size of Z was 30um.