If there is a two-year drought that kills off many seed and fruit plants, which finch species have traits that could make them more successful?
any more context to this? if there's a drought that kills off seed/fruit plants, then these will be less available as a food source. finches that don't have to eat seeds or fruits would be more successful, since their food source wouldn't be affected. can you think about which finches would/wouldn't eat seed/fruit plants?
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