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Yes. But originality can also stem from how you execute your PIP and how you presented your topic in a different perspectives to all others. You don't necessary have to have a completely brand new topic such that no one has ever seen before in order to achieve high marks.

The question already stated the two species are not closely related. Hence they are probably not evolved from the same common ancestor. :) Thanks Abtari :cool:

The kidney is a special case. The tubules are "leaky" allowing ions to move through. A lot of the useful ions are reabosorbed by active transport. The two hormones you were talking increases the permeability of the epithelium to water (ADH) and stimulate more reabsorption for ions (aldosterone)...

I think the answer is D. When you compare two species, you look at their immediate ecological niches, not the continent as a whole. Their environmental niches, suggested by the question, are very similar, such as burrowing underground. Therefore, both organism require similar morphology...

Can you explain why 9 is D and not the others? Not too much is emphasised at uni about feedback mechanisms. Only once or twice occasional mentions.

LOL. yep. sorry for the typo :D I got confused while doing the bolding of the letters.

Thanks meLoncoLLie!! My answers are below. Sorry for the dodgey explanation. http://community.boredofstudies.org/showthread.php?t=90662

1. B 2. C 3. A Enviromnetal because since smoking is associated with cancer, it can be classed as environmental due to the inhalation of smoke. 4. B 5. A - Mosquito carries the protozoan Plasmodium. Hence it is responsible for the trasmission. 6. C 7. C Yes it's C not A...

hmmm, from what I undertsand, you ignore the genotype of the father because he doesn't contribute the X chromosome.

Looks like an interesting question! It sounded like one of those critical thinking questions where you can't really have a prepared answer :)

I am willing to have a try at the Multiple Choice if someone could scan the paper and post it up. :)

Homeobox genes. And you don't need to know it unless you do the Genetics Option.

Pick the topic that is most relevant to the HSC syllabus where you can draw from the concepts that you have learnt and apply them in your PIP.

I'd say B for 14 as well. C is not as correct because Enterococci are not harmful because they have acquired antibiotic resistance, but they get to other places of the body where they start to infect the host, but while in the gut, they are harmless as they are a part of the microflora. And...

After my appalling performace in the 20% mid-session (just got it back today), I doubt I'll go far. :(:( I imagine the final exam to be as tricky (hence hard) as the mid-session. :( in that case, I'll probably get lower than 60 :(. Seriously they should stop using double, triple quadriple...

Just a word of warning for future students! Don't DO GENETICS (BIOS2021, 2061)!! (unless you wanna major in it) >.< It's a WAM killer :D

Because in order to design a "fair" system of ranking students based on UAI and accmmodate different combinations of subject choices, it has to be complex.

Start fromt he beinginng. Ask yourself: How well do I know Continuity and Change? Am I prepared for questions on my selected country for Continuity and Change? Do I know my social and cultural research methology, and what advantages and disadvantages of each one? Am I prepared to write a...

lol. yeah my heart broke when I saw your post. I was like "NOoooooooo! *sniffs*, a year 12 biology student still didn't know that a fungus is NOT an ENZYME??!" :D :D

Stres Level - Dangerously High >.< Why science course have so many assessments >.< Most people would have nothing except the final exams to go but poor science people... :( I still got at least 5 assessments to do.. can't even think of final exams right now.