Answer:
Mechanical barriers — which include the skin , mucous membranes , and fluids such as tears and urine — physically block pathogens from entering the body. Chemical barriers — such as enzymes in sweat , saliva , and semen — kill pathogens on body surfaces.
Answer:
Incomplete dominance can be described as a phenomenon in which the dominant trait is not completely dominant over the recessive trait. Incomplete dominance can be determined when the dominant and the recessive trait merge to form a third type of trait. A new phenotype arises due to such a cross.
For example, when a black-feathered chicken is crossed with a white chicken and their alleles shown incomplete dominance, then offsprings having blue feathers can be seen.
An organism can "make a living" and survive in its niche.
Answer:
There is no correct answer.
Explanation:
Different circumstances regarding how you operate your company and what kind it is.
Also, with sole proprietorships, it may be hard to manage liabilities, as the owner is <em>personally</em><em> </em>responsible for any liabilities. It is also hard to procure funding for your company.
However, it is simple to incorporate and allows for high flexibility, which may be what you mean by "easiest type ... to start".
