@user8730 According to the Rambam... sort of. Yes, in the sense that they were familiar with this type of worship because it was common in the surrounding cultures. However, the original source in the Bible for offering sacrifices still traces to monotheistic worship, for example Genesis
4:3,4 and many later instances throughout the Book of Genesis (involving Noach, Avraham, Yitzchak, Ya'akov, etc.).