ANY help would be appreciated..

em_516 · 27 Oct 2004, 7:08 PM

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9.3.5: "gather, analyse and present information from secondary sources to compare two different concepts used to explain mass extinction events"

maybe it's just me..but what two concepts??

9.3.5: "compare these smaller extinction events with widespread 'catastrophic' events in which entire ecosystems collapse with the extinction of many entire classes and orders"

no idea about that one either..

ANY help would be appreciated!! if not..no biggie..but..it might be nice to know just in case considering they're are dot points lol..

matt_f64 · 27 Oct 2004, 7:37 PM

with the first one, we learnt about mass extinction at the end of the permian and end of the cretaceous. at the end of the permian there was possibly an ice age. at the end of the cretaceous there was probly a meteorite (dinosaurs)

for part 2, a smaller extinction event is where only a small number of species becomes extinct. a mass extinction can kill out entire classes and orders of species which can disrupt the food chain and collapse ecosystems

sorry i dont hav much time to explain much i hav to learn stuff too

em_516 · 27 Oct 2004, 7:41 PM

geez..it's amazing how after someone else explains something you completely understand..i'd already done those things..just didn't register obviously..cheers mate!

27 Oct 2004, 7:08 PM	#1 (permalink)
em_516 bludging.. HSC: 2004 Gender: Female Location: Newcastle Join Date: Feb 2004 Posts: 3,524 Last Activity: 20 Nov 2009, 7:41 AM	ANY help would be appreciated.. You can hide this advertisement by registering. 9.3.5: "gather, analyse and present information from secondary sources to compare two different concepts used to explain mass extinction events" maybe it's just me..but what two concepts?? 9.3.5: "compare these smaller extinction events with widespread 'catastrophic' events in which entire ecosystems collapse with the extinction of many entire classes and orders" no idea about that one either.. ANY help would be appreciated!! if not..no biggie..but..it might be nice to know just in case considering they're are dot points lol..

27 Oct 2004, 7:37 PM	#2 (permalink)
matt_f64 Senior Member HSC: N/A Gender: Undisclosed Location: Northern Beaches Join Date: May 2004 Posts: 306 Last Activity: 6 Aug 2006, 1:30 PM	with the first one, we learnt about mass extinction at the end of the permian and end of the cretaceous. at the end of the permian there was possibly an ice age. at the end of the cretaceous there was probly a meteorite (dinosaurs) for part 2, a smaller extinction event is where only a small number of species becomes extinct. a mass extinction can kill out entire classes and orders of species which can disrupt the food chain and collapse ecosystems sorry i dont hav much time to explain much i hav to learn stuff too __________________ Year 12 Class of 2004 Course = Bach. Commerce - Accounting + Applied Finance@ Macquarie Uni

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27 Oct 2004, 7:41 PM	#3 (permalink)
em_516 bludging.. HSC: 2004 Gender: Female Location: Newcastle Join Date: Feb 2004 Posts: 3,524 Last Activity: 20 Nov 2009, 7:41 AM	geez..it's amazing how after someone else explains something you completely understand..i'd already done those things..just didn't register obviously..cheers mate!