____ is a change in a population over time.____ suggested the theory of evolution by natural selection. The theory states that all species of living things have evolved from ____ life forms that first developed more than 3 ____ years ago. There is a population of green and brown beetles that live on bare soil. Describe how natural selection could result in a change in the population of beetles. (6 marks) There is ____ in the colour of the beetles. (1) This means that predators will easily ____ and eat the green beetles or ____ beetles will be ____ and not get ____ by predators. (1) This is called ____ of the fittest. (1) Those that survive will ____ (1) and pass on the beneficial ____ to the offspring. (1) This is natural ____. (1)

Natural Selection

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