Nucleic acids contain the genetic code.
Answer:
D.
Explanation: Ecology: relation of organisms with one another or their surroundings.
Aerobic respiration is producing of cellular energy involving oxygen.
Anaerobic respiration is respiration using electrons through molecular oxygen.
Answer:
B. Bacteria that carry out decomposition
Explanation:
This is your answer because these don't produce anything. These are things that don't produce their own food, but they eat something else. One example on land can be Mushrooms.
So hence, your answer is only B. Bacteria that carry out decompositon
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