Answer:
The neutral theory
Explanation:
The neutral theory of molecular evolution explains that most evolutionary changes occur at the molecular level. The neutral theory of molecular selection infers that the variations which arise between different species and in between species occur due to genetic drift and mutant alleles.
Hence, the segregation of the 20 different alleles in a sample of 50 individuals arises because of the neutral theory.
Answer:
Bacteria reproduce by binary fission. In this process the bacterium, which is a single cell, divides into two identical daughter cells. Binary fission begins when the DNA of the bacterium divides into two (replicates).
Explanation:
Cillia are hair like structures that sit on the top of a tissue. Epithelium is a tissue type. Chiliated epithelial cells line the airways with goblet cells. They are moving particles of fluid over the epitelial surface in the Trachea, bronchial tubes and nasal cavities.
Answer: A ) In the Trachea.
Water may become polluted and also become scarce to the agriculture due to the population increase
English philosopher Thomas Hobbes,
in his 1651 book titled “Leviathan”, which established the social contract theory,
postulated that to achieve peace for ourselves and to avoid death; humans enter
into a SOCIAL CONTRACT and submit to an overarching sovereign authority charged
with ensuring peace for everyone.