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erik [133]
3 years ago
12

In an experiment to study the effect of ultraviolet light on bacteria, it was concluded that ultraviolet light has a sterilizing

effect on bacteria. Which of these observations could have led to this conclusion? A) Ultraviolet light stopped the replication process of bacteria. B) Bacterial colonies exposed to ultraviolet light continued to replicate. C) Bacterial colonies exposed to ultraviolet light became resistant over time. D) Ultraviolet light increased the rate of binary fission in the bacterial cells.
Biology
1 answer:
RoseWind [281]3 years ago
3 0

The answer is A because that means the the bacteria stoppped reproducing as it got weaker.

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Natural selection is the process to which the various species and populations are able to adapt and change according the environmental changes. It is affected by three main factors that are variation, over population and adaption.

Variation: varion is one of the factor that pushes the population to change towards the beneficial variation in the population for their survivability and reproducing theirselves.

Overpopulation: over population increases the competition amon population and there fore there resources become limited so few have to change or their ways of utilizing resources.

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