In 1668, Francesco Redi conducted an experiment with jars of meat. This experiment was noteworthy because it _____.

1 answer:

7 0

This experiment was noteworthy because it disproved the theory that maggots could be spontaneously generated from meat. He was the first to do a controlled experiment. Spontaneous generation is the theory that life forms can be generated from inanimate objects.

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Which environmental factor could lead to a decrease in genetic variation in a population of tuna?

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Answer:

The environmental factor that could lead to a decrease in genetic variation in a tuna population is an increase in pollution (second option).

Explanation:

There is a correlation between genetic variability and environmental pollution, the latter being a factor that impacts negatively on the variability of a specific population.

The concept of pollution stress not only implies a low rate of reproduction, but it is also a factor that prevents genetic exchange with other populations, which is a factor that makes the genetic variability decrease in a population.

For these reasons an increase in pollution implies a decrease in genetic variability in a tuna population.

Other options, such as an increase in food availability, a decrease in tuna fishing or a decrease in tuna predators, are environmental factors that contribute to increased genetic variability.

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The prokaryotic cell does not have a nucleus but instead they have a chromosome.

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Fermentation is a chemical reaction that occurs in the cytoplasm . Because it is Choose... , fermentation Choose... oxygen. Comp

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Fermentation is a chemical process that occurs in the cytoplasm since it is anaerobic, that is, with the absence of oxygen.

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