Gastropods have a worldwide distribution from the near Arctic and Antarctic zones to the tropics.
2.
Deserts and arctic / antarctic zones like Greenland and Antarctica, now sparsely populated, might become widely populated.
3.
Sealord believes up to 70 poachers may be fishing illegally in the Australian sub-Antarctic zone for the toothfish.
4.
I don't see why arctic / antarctic zones would be more widely populated-they don't have wider temperature ranges than anywhere else, as far as I know, it's just that they vary between very cold and even colder.
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