It's around lunchtime and you are feeling hungry, so you eat a sandwich. when the food
passes through your stomach and into your small intestine during digestion, your brain
receives a signal causing you to feel full. consequently, you do not eat any more food. is
this an example of negative or positive feedback? explain your

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.