Ok so theirs this thing called asking your teacher for help especially when it’s such an easy question
The nucleus is the 'brain' of a eukaryotic cell and controls all the activities of the cell. It contains most of the genetic information of the cell, in the form of DNA molecules, and is enclosed within a membrane, the nuclear membrane.
Hope this helps!
-Payshence
Answer:
D) competition
Explanation:
They are going to be competing for their survival.
Hope this helps! :)
D) The AV valves are supported by chordae tendineae so that they do not blow back up into the atria during ventricular contraction.
