According to the Bible language, three Trees were planted in the Garden of Eden. Two were celestial and one was physical.
The two Celestial Trees were:
1st. Tree of Life
2nd. Tree of Knowledge
3rd. Man. Man is always been presented as trees in Scriptures. Ezekiel 31:9.
The Tree of Knowledge represents the FATHER GOD; and brought forth the Fruit of the Father
The Tree of Life represents the SON; and brought forth the Fruit of the Son.
The 3rd Tree which is Man was created to bring forth the third fruit which is the Fruit of the Spirit.
Therefore, humans who were supposed to bring forth the fruit of the Spirit failed. [This is why there was need for a Last Adam-the Messiah, because the first fell into sin, (1Co 15:45).
Through Him we Christians would get the opportunity to bring forth the Fruit of the Spirit].
But the Great Question is; what is this Fruit that Eve ate?
This fruit was not a literal fruit, such as apple or grape etc, but it was KNOWLEDGE.
Every tree brings forth after its kind.
The tree of Life brought forth a fruit and this fruit was “Life”.
The Tree of Knowledge brought forth a fruit and this was knowledge; what type of knowledge? Knowledge of good and evil.
Also, the Bible says that when they ate this fruit, their eyes were open. Obviously, it was not speaking of their physical eyes, because their physical eyes were already opened. But it was speaking of their “spiritual eyes”.
If we look into the scriptures, we will see that Revelation Knowledge is what opens the “spiritual eyes” of people. This spiritual eyes is called, “the Eyes of your understanding” (Eph 1:18 confirms this, and Act 26:18, Rom 11:10, Acts 28:27, all speak of the spiritual eyes.)
The bible says the Eve “ate” from the fruit. This means she partake from the fruit of that Tree which is “knowledge”.
After they received this knowledge of good and evil from the Tree of Knowledge of good and evil, they then knew what was good and what was bad. This is when they knew that they were naked, and got the revelation of their private parts; they ran and hid their nakedness with fig leaves.