Animals use oxygen for cellular respiration.
Plants release oxygen during photosynthesis, but use it during cellular respiration.
Explanation:
Molecules contain two or more atoms and are held together by covalent bonds, whereas compounds are held together by ionic bonds. Two or more elements bonded together through ionic attraction.
Answer:
to know what you're talking about
You should ask your teacher to be sure, but I think that you teacher meant like the mode of transmission.... Like genetically inherited and such.