The primary source of protein for most of the world's population is

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

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. this is an example of speciation.

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle