Which shows evidence of active transport

a-cells w and z

b-cell w only

c- y only

d- cells x and y

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel

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.