S1: All living things affect the living and non-living things around them. P: This can also affect the population of fox, if foxes depend on rabbits for food. Q: For example, earthworms make burrows and worm casts. R: This act of earthworms affects the soil, and therefore the plants growing in it. S: Rabbit’s fleas carry the virus which causes myxomatosis, so they can affect the size of the rabbit population. S6: This interdependability needs to be understood when we, humans consume much more than required and abuse nature. Find the correct sequence of P, Q, R and S.