The role of administrator absorbed much of Ben’s energy.

行政职务耗掉本力。

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一种群内进行杂交的个体比以两个方向进行杂交的个体繁殖后要，因此为了产生无生机的杂种，就要消耗掉一些配子。

The role of administrator absorbed much of Ben’s energy.

政职务耗掉本很多精力。

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一种群内杂交的个体比以两个方杂交的个体繁殖后要多，因此为了产的杂种，就要消耗掉一些配子。

The role of administrator absorbed much of Ben’s energy.

政职务耗掉本很多精力。

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同种群内进的个体比以两个方向进的个体繁殖后要多，因此为了产生无生机的种，就要消耗掉子。

The role of administrator absorbed much of Ben’s energy.

行政职务耗掉本很多精力。

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一种群内进行交体比以两进行交体繁殖后要多，因此为了产生无生种，就要消耗掉一些配子。

The role of administrator absorbed much of Ben’s energy.

政职务耗掉本很多精力。

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一种群杂交的个体比以两个方向杂交的个体繁殖后要多，因此为了产生无生机的杂种，就要消耗掉一些。

The role of administrator absorbed much of Ben’s energy.

政职务耗掉本很多精力。

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一种群内进的个体比以两个方向进的个体繁殖后要多，因此为了机的种，就要消耗掉一些配子。

The role of administrator absorbed much of Ben’s energy.

行政职务耗掉精力。

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一种群内进行杂交的个体比以两个方向进行杂交的个体繁殖后要，因此为了产生无生机的杂种，就要消耗掉一些配子。

The role of administrator absorbed much of Ben’s energy.

行政职务耗掉本很多精力。

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一种群内进行个体比以两个方向进行个体繁殖后要多，因此为无机种，就要消耗掉一些配子。

The role of administrator absorbed much of Ben’s energy.

行政职务耗掉本很多精力。

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一种群内进行个体比以两个方向进行个体繁殖后要多，因此为无机种，就要消耗掉一些配子。

The role of administrator absorbed much of Ben’s energy.

职务耗掉本很多精力。

Individuals crossing exclusively within the same population produce more progeny than those crossing in both directions and thereby use up some of their gametes for the production of inviable hybrids.

完全在同一种群内进杂交的个体比以两个方向进杂交的个体繁殖后要多，因此为了产无机的杂种，就要消耗掉一些配子。