Answer:
CO2 is a compound, it has 2 atoms of oxygen, and is made up of oxygen and carbon
Explanation:
Answer:
Competitive exclusion occurs when " organisms attempt to fill the same niche"
Explanation:
mostly due to the fact that they are competing over the same food source, which is always limited in some way.
The answer to this question is DNA ONLY!
The central element for all living things is carbon, which is why you might often hear the phrase "carbon-based" lifeforms. Another term is often "organic matter"