Answer: If we kill all the organisms in one trophic level, then transfer of energy as well as matter to next higher level will stop. It will lead to over- population at one particular level causing amongst the individuals. This would seriously disturb the food chain and can cause the collapse of an ecosystem even.
because humans and reptiles and other kind of animals have what's called DNA in nuclei
Answer:
It might have animals that depend on this "animal" for a food source. If we were to remove it, all the animals that are after this "animal" on the food chain will die out and the animals that they eat will over populate.
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Answer is….drumroll please A
Temperature, pressure and composition.
