Question

what aspects of the mitchondrion and the chloroplasts would have made them valuable in a symbiotic relationship? what aspects of the mitchondrion and the chloroplasts would have made them valuable in a symbiotic relationship? @Biology

Answer 1

both organelles have their own DNA with a self replicating capacity.

Answer 2

The fact that mitochondria can produce ATP, which is the major energy source for a cell, should not be overlooked. Chloroplasts also produce ATP, although they use light energy and make organic molecules