Students made a model ecosystem on their school lawn. They dropped equal numbers of different colored toothpicks in the green grass to represent worms. They pretended to be birds and were given one minute to pick up as many toothpicks as they could. They picked up more red and blue tooth picks than green. What concept does this model represent? a. That all toothpicks can easily be seen in the grass.
b. That animals like to eat things that are red and blue.
c. That camouflage is an adaptation that helps animals escape predators.
d. This activity is not like nature.