Variations in a genotype could be major or minor. It really depends on the degree of change. A genotype changes due to errors mutations. Some are endogenous, occuring with the organismm often during meiosis that causes changes in a genotype.
Learn more about here: https://www.quora.com/What-causes-variation-in-genotypes-How-does-this-occur
<span>b. restrict population growth or might be that it STOPS
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Limiting factors are elements and variables in many conditions that either restricts or inhibits a certain behavior to be executed or event from happening and sometimes the object that drives an organism to change its course of actions.
C: The organelles are enclosed in membranes
Answer:
A tick sucking a deer's blood
Explanation:
All other examples show mutualistic relationships - both species benefit from the relationship. With parasitism the one species benefits (the tick) while the other suffers (deer).