Abiotic factors in an environment include

Abiotic factors are those factors that do not have a life but are an important part of the ecosystem that interacts with living organisms because an ecosystem is made up of living and non- living things.

These abiotic factors include temperature, soil, air, water, pH, salinity, nutrient, sunlight.  So all non-living elements present in the environment are known as abiotic factors.

These biotic factors play an important role in the survivability of a population that lives in an environment. A drastic change in any of these abiotic factors can adversely affect the survival rate of a population.

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

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no i don't feel that humans have oversubscribed some medications