<span>A) Ultraviolet light stopped the replication process of bacteria.
Stopped or slowed this process, hint the sterilization.
The question doesn't directly ask this but, after a while a lot of bacteria become immune to treatment especially antibiotics. </span>
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The answer is A. Its organism one because if it got its energy from a biotic source, there would be an arrow pointing towards it.
Electron microscope‘s differ from light microscope’s in that they produce an image of specimen by using a beam of electrons rather than a beam of light. Electrons have such a shorter wavelength than visible light, and this allows electron microscope to produce higher resolution images than standard light microscope‘s
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.
Answer:
People who acquire advantageous features have a greater chance of surviving, whereas individuals who have less useful traits are weeded out by natural selection. The higher the diversity of characteristics in a population, the greater the population's chances of survival.
