Volcanic activity may cause climate change by
a. blocking solar energy from reaching the earths surfaces.
b. shifting the equatorial and temperature zones.
c. increasing the earths overall temperature.
d. altering global wind and current pattern

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.