They feed on life energy and prefer human beings. They can't spread to other galaxies (may have been speculation by the Atlantis team) because they needed human life to feed on. They sleep/hibernate in 100s of years to conserve their life energy and allow the human population to grow again before they're harvested.
So, how did they advance so far as a civilization prior to the Ancients arriving? How were they able to exist in the absence of human food and prior to possessing faster than light travel?
I apologize if this question has been asked before.
So, how did they advance so far as a civilization prior to the Ancients arriving? How were they able to exist in the absence of human food and prior to possessing faster than light travel?
I apologize if this question has been asked before.
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