'Seed' in the Bible

Now the manna was like a seed of grain, like small clear drops.

But my servant Caleb, because he had a different spirit in him, and has been true to me with all his heart, him I will take into that land into which he went, and his seed will have it for their heritage.

To be a sign, kept in memory for ever by the children of Israel, that no man who is not of the seed of Aaron has the right of burning spices before the Lord, so that he may not be like Korah and his band: as the Lord said to him by the mouth of Moses.

All the lifted offerings of the holy things which the children of Israel give to the Lord, I have given to you and to your sons and to your daughters as a right for ever. This is an agreement made with salt before the Lord, to you and to your seed for ever.

Why have you made us come out of Egypt into this evil place? This is no place of seed or figs or vines or other fruits, and there is no water for drinking.