Bryophytes are known as non-vascular plants - what makes them non-vascular is the a<span>bsence of xylem and phloem.</span>
The flu vaccine changes every year. The flu vaccine is based on a predicted strain that is anticipated to be the most infectious that year. Thats why people who sometimes get the vaccination still get the flu, they don't have the antibodies for the strain they were infected with. Strains for viral disease don't change very much and usually the vaccination for them cover them well.
There are 1 to 2 called alleles
A cladogram is similar to Family Tree
Explanation:
A cladogram and a family tree both show relationships between common ancestors. It shows the relationship the organism but it is not same as evolutionary or family tree because it doesn’t show the relationship with ancestor to their descendent and also it doesn’t show how they changed.
Cladogram is type of diagram based result analysis. Clade is group of organism with their last similar ancestor. A cladogram is represented through lines.
