1)the magnetic field is strongest a bar magnet.
a)the poles b)the center
2)the needle of compass line up with earth magnetic field and point
a)earth poles b)earth equator
3)magnetic field lines that curve toward each other
a)repulsion b)attraction
4)some animals have tiny pieces of their brains to them find their way
a)magnetite b)magnetosphere
5)a magnet contain a large number of magnetic are lined up and pointed in the same direction.
a)domains b)poles

1. Is A. at the poles because thats where the magnetic field is going out then coming back into the earth to produce the magnetic field.
2. Again its A. because the compass needle is attracted to " north " which is magnetic south. It does this because opposites attract.
3. This one would be B. Because if the magnets were being repelled the magnetic field lines would look like there was a line that the field hit and bounced off of it.
4. This answer is A. the magnetite helps them migrate so they know which way is north and which way is south.
5. This answer is A. Because without the domains there wouldn't be poles on the magnetic object. 

Iwould say a is accurate