Process: - The bird picks a tree - The bird collects twigs and other refuse - The bird makes a flat base with twigs - The bird makes sides with twigs and other things - The bird adds softer material to the inside - The nest is done. Question: suppose more animals in the sea die happens, how will it affect there are fewer twigs. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: no effect

Process: - Air travels into the body - Air reaches the lungs - The lungs absorb the oxygen from the air - The oxygen is transported by hemoglobin - Red blood cells are made of hemoglobin - Blood has a lot of red blood cells - The heart moves the blood throughout the body - Blood can bring the oxygen to different cells in the body. Question: suppose the heart has not been damaged happens, how will it affect "LESS oxygen being brought to the bodys cells". How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: less

Process: - A can is thrown away into a recycling bin - The can is taken to a recycling center - Melted down along with other cans - The melted metal is turned into bars - Becomes material for other products. Question: suppose More cans will be transported to the center happens, how will it affect If the recycling center has a bigger capacity to melt cans. How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: more

Process: - The animal eats large quantities of food that will be stored as fat - Winter comes and the animal finds a place to hibernate - Over a period of days, the animal's heart rate and breathing rate drop slowly - Electrical activity in the brain almost ceases completely, though some areas remain active - The animal has entered hibernation mode - Question: suppose winter comes in with more storms happens, how will it affect "the animals heart rate gets slower". How does the supposed perturbation influence the second effect mentioned. Answer by more, less or no effect
Ans: more