well It is generally believed that the energy-converting organelles of eucaryotes evolved from procaryotes that were engulfed by primitive eucaryotic cells and developed a symbiotic relationship with them. This would explain why mitochondria and chloroplasts contain their own DNA, which codes for some of their proteins......
Answer:
organs are digestive system, respiratory, circulatory endocrine.
Explanation:
these systems helps to function in our body if the immune system is stronger to fight from diseases.
Archaebacteria are single celled organisms that live in a wide range of habitats, including the harsh conditions of hot springs and in Halophiles live in environments too salty for other organisms and in a much warm temperature