can someone please help me with these 2 questions because im losing my mind!

which of the following is an example of a cylic behavior that is seasonal?
A.running from predators
B.searching for water
C.hunting at night
D.migrating for warmth

12.in the western U.S.,ranchers aggressively killed wolves because they posed a threat to their cattle.as the wolf population declined,the deer population began increasing.as a result,the surrounding forest ecosystems experienced increasing damange.the large number of deer ravaged vegetation and destroyed young trees.the entire ecosystem became degraded until wolves became protected when they wre determined to be an endangered species.based on this information what can you infer about the role of the wolves in this ecosystem

A.they are a pioneer species
B.they are a keystone species
C.they are a prey species
D.they are a competitive species

4 answers

11. D

12. I believe that this one is either D or B. I'm pretty sure this one is D too, though.
I sure don't want you to lose your mind.

1. D.

12. B.
thanks ms.sue
You're welcome, Matt.