Which statement correctly describes an interaction between the hormones and the cells

What came first the elephent or the crocodile

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Draw the farm's ppf for corn and beef. draw a point that shows an inefficient combination of corn and beef. label ita. draw a point that shows an unattainable combination of corn and beef. label itb. draw a point that shows an efficient combination of corn and beef. label itc.