Three ways scientists base their identifications of evolutionary relationships are:
1. Does not take genetics into account.
2. Does not consider convergent evolution.
3. Physical similarities does not mean that they are related.
Evlutionary relationships talks about relatedness between organisms, usually this can be shown by a phylogenetic tree through phylogeny. Reconnection and speciation of organisms must be considered in studying relatedness of organisms.
If your choices are the following:
<span>a. The flu and the common cold are caused by viruses.
b. Viruses are passed by contact between people.
c. Cold and flu season occurs when the weather is cold, so there must be a connection.
d. All of the above excerpts are biased.
Then the statement that is considered to be biased is </span>c. Cold and flu season occurs when the weather is cold, so there must be a connection.
The component that is specific to the human cells is the genetic material.(46 chromosomes)
