Answer:
B competition will increase
Explanation:
this is because if there are less acorns then squirrels then they will all fight for the acorns and some will die to starvation. nest size won't increase because there isn't enough food for the squirrels already there. predation will decrease because there is less squirrels so that means less pray for the animals that eat the squirrels. then there is reproduction rates will increase. It is not that one because there are squirrels dying from starvation there aren't squirrels reproducing. that is why your answer is B.
Answer:
A
Explanation:It boils down to a and b. A single molecule of DNA is wrong. So it's a,
Restriction enzyme cuts samples of DNA at restriction site; produces different lengths of DNA segments
Answer:
Mutualism
Explanation:
Mutualism: is a relationship between individuals of different species in which both individuals benefit from each other without causing no harm. Example is the nitrogen-fixing bacteria and plants.