knottingpurple wrote:skiski wrote:Hello! Can someone possibly help me determine the meaning of letter F: "Continental drifts role on opening and closure of ocean gateways/ land bridges, with specific reference to ocean circulation changes, climate change, and biotic migrations"? I took some notes on the land bridge theory, but I'm completely lost on everything else. What do I search up to find information on this topic?
Thanks in advance!
I can remember people being weirded out by that bit last year as well, I think part of it might be the ability of the West Wind Drift to circulate after the other continents separated from Antarctica, and another bit is talking about speciation as a result of physical separation of species, but I haven't yet found any good sources on this bit.
So far, in my notes, the only thing I have are what land bridges and ocean gateways are, and how they relate to biology in general. I know it doesn't sound much, but you should try and google "ocean gateways" and find something that has even the slightest bit of information. This is definitely one of the most ambiguous topics for dynamic planet, and I rarely see questions like this appear; that doesn't mean your next competition definitely won't include it though, as anything goes.