Nutrients are brought to spongy bone through which mechanism

What are the two main phases of a cell cycle

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.

9. the history of life on earth is recorded in