Why are bees instead of native insects recommended for pollinating pumpkin flowers?

Insect pollination requirements, short and specific open-and-shut times, staggered female and male floral openings, and stickily thick pollen are the special features of pumpkin flowers that welcome use of non-native pollinating bees over native insects. Pumpkin fruits set only through insect pol...

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How long ago did the demestication of horses start?

5000 to 6000 years ago approx.

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