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Q: How the exposure to penicillin affects the survival of some bacteria in the population?
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How do you grow helpful bacteria?

Anything that controls the growth or survival of a population is called.


How much bacteria gets killed from steam?

The amount of bacteria killed by steam depends on various factors such as temperature, exposure time, and bacterial species. Steam can be an effective method for killing bacteria as the heat can denature and destroy proteins essential for bacterial survival. However, some heat-resistant bacteria may require higher temperatures or longer exposure times to be effectively killed by steam.


Why do organisms need plants algae and bacteria for survival?

The organisms need plants, algae and bacteria for their nourishment. This ensures their survival.


How is antibiotic resistance bacteria an example of natural selection?

When a population of bacteria is bombarded with antibiotics, the 'weak' ones will die. The ones with some resistance built in will survive, and divide to form a new population of copies of themselves, or a resistant population. This in itself is survival of the fittest in a very pure form.


What are the release dates for Northern Exposure - 1990 Survival of the Species 4-11?

Northern Exposure - 1990 Survival of the Species 4-11 was released on: USA: 4 January 1993


What are the ratings and certificates for Northern Exposure - 1990 Survival of the Species 4-11?

Northern Exposure - 1990 Survival of the Species 4-11 is rated/received certificates of: Canada:14A (video rating)


Survival and recovery of a population depends on a minimum population base referred to as its?

The survival and recovery of a population depends on a minimum population base referred to as its biotic community.


Explain how natural selection can give rive to a population of antibiotic resistant bacteria?

Consider the following scenario: An antibiotic is applied to a petri dish of bacteria. The antibiotic will kill of most of the bacteria, but some will remain that are immune to the antibiotic. Therefore, only the immune bacteria will reproduce. Soon, the whole petri dish will be full of bacteria that is immune to the antibiotic. Nature "selects" the immune bacteria for survival.


What are the bacteria and virus that depend on the sunlight for their survival?

Viruses do not require sunlight for their survival. But certain photosynthetic bacteria such as Cyanobacteria require sunlight to perform photosynthesis.


Is heterocysts involved in the reproduction or survival of blue-green bacteria?

yes


How is natural selection shown in the development of antibioticresistant strains of bacteria?

Exposure of a population to a toxin that kills a high percentage of the population selectively eliminates those individuals most susceptible to the toxin. This leaves the most resistant individuals to reproduce individuals that are also resistant. After many generations of this selection the whole population is resistant.


Which factor influence the survival of a population?

carrying capacity