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提问人：网友dizhisha
发布时间：2022-01-07
[主观题]
What was scientists' understanding of cryptic species？A．They occurred in equal numbers in
What was scientists' understanding of cryptic species？
A．They occurred in equal numbers in all biogeographical regions.
B．They were mostly found in insects and reptiles.
C．They were likely to be in tropical rather than temperate regions.
D．Both B and C
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