False, The Organism that Kills the other one is Predator
Prey is the one killed
Mountain lions with lots of variation because variation is important for species’ survival. If there is an environmental change that negatively affects organisms with a certain trait, variation can insure that the entire species will not be wiped out because some organisms within that species might not have that trait and can survive.
It's just like wolves, they can get more work done if they work together.
B.To Understand group behavior through observation
Not quite sure but would say Archaebacteria with the most confidence... hope this helps good luck