Tadpoles use GILLS to obtain oxygen
Answer:
abiogenesis
Explanation:
a (not) biogenesis (coming from other life forms)
Biogenesis would mean that it's coming from other life forms,
Natural selection is a part of evolution (what is there to select?)
Variation is also a part of evolution (not related)
The mitochondria is where food is turned into energy using water and carbon dioxide
The Aromatic hydrocarbon is the most common in nature.
Bowling ball,as there is more mass and the force of gravity
