3 questions pls help ty i need this its the end of the marking period

Why is it incorrect to say that mitochondria function only as energy factories with cell

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12