6 questions, will give medals. I need answers fast!!!! PLEASE!!!!

Question

anonymous · Answer

Which of the following can result in the bottleneck effect?
 
A.	diseases
 
B.	natural disasters
 
C.	predation
 
D.	all of the above

anonymous · Answer

Which of the following are types or patterns of natural selection?
A.	disruptive selection
B.	directional selection
C.	stabilizing selection
D.	all of these

anonymous · Answer

A drastic short-term reduction of population size caused by natural disasters, disease, or predators is called:
A.	gene flow
B.	founder effect
C.	microevolution 
D.	bottleneck effect

kasim17 · Answer

a
b
d
a
i think these r right

kasim17 · Answer

medal plz

anonymous · Answer

Thanks

anonymous · Answer

@kasim17

At least you gave one correct answer.