Animal because the algae and plant would have to have chloroplast and the bacterium does not have a nucleus as it is a prokaryote.
Xylem and phloem
hope u got it right
E, D, and C I believe. It has been a while since I took this class.
B) Flu is easily transmitted from person to person.
If there is a very big population density, it means more people are present in a small amount of space. Thus they will come into contact more often and the virus is likelier to spread more rapidly.
A) ability to learn or acquire the new traits
Explanation:
It's the process that species go through in order to become accustomed to an environment.
