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.
- <em>Other options, such as </em><u><em>an increase in food availability</em></u><em>, a</em><u><em> decrease in tuna fishing
</em></u><em> or </em><u><em>a decrease in tuna predators</em></u><em>, are environmental factors that contribute to increased genetic variability.</em>
<span>it is false.</span> it can't because it a guest so no.
Your answer is B I believe good luck!
If it’s not B it’s D
<h3><u>Answer;</u></h3>
It was developed by many scientists over many decades.
<h3><u>
Explanation;</u></h3>
- DNA is a type of nucleic acid that contains two long, twisted strands, known as double helix, that contain complementary genetic information.
- A gene is a segment of DNA that is passed down from parents to children and confers a trait to the offspring.
- The traits an organism displays are ultimately determined by the genes it inherited from its parents, known as genotype.
- Our understanding of DNA and inherited traits has changed over time since it has been continuously developed by many scientists over may decades.
