9. Which of the following is NOT a reason for a cell to divide?

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

What are the seven economic and social goals?

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.