1) According to Darwin's theory of evolution, how do new species evolve? a) Artificial selection b) Natural selection c) Unnatural selection d) Genetic engineering e) Transgenically 2) Which individuals are most likely to survive to reproduce? a) Individuals that are well suited to their environment b) Individuals that are poorly suited to their environment c) Individuals that have no immunity to new diseases 3) What is likely to happen to an individual that is poorly suited to its environment? a) It will not survive to reproduce b) It will survive and produce lots of successful offspring c) It will become extinct 4) What sort of variation is inherited? a) Environmental variation b) Genetic variation c) Variation is not inherited d) Both environmental and genetic 5) Which is one of the reasons why Lamarck's theory of evolution was discredited? a) It was an earlier theory than Darwin's b) It could not explain why simple organisms continue to exist on Earth c) It suggested that acquired characteristics do not have a genetic basis 6) What is the most likely reason why wasps and bees have black and yellow stripes? a) The stripes warn other animals that wasps and bees are dangerous b) The stripes are attractive to birds and other predators c) The stripes make them look like harmless hoverflies so they can sneak up on their prey 7) What does the term selective advantage mean? a) An organism is not well suited to its environment b) An organism changes to suit its environment c) An organism is well suited to its environment 8) What causes variation? a) Mutation b) Isolation c) Change in the environment 9) Natural selection is sometimes referred to as survival of the what? a) Fittest b) Weakest c) Fastest 10) The light form of the peppered moth became less common in the nineteenth century because... a) it was poorly camouflaged when lichens died b) it changed to the dark form by mutation c) it was killed by industrial pollution 11) Animals which belong to the same species: a) interbreed but do not produce fertile offspring b) cannot exchange genes with each other c) interbreed and produce fertile offspring 12) What is the first event that takes place during speciation? a) Isolation b) Mutation c) Selection pressure 13) During speciation when do two groups become recognised as separate species? a) When they look different b) When they are separated by isolation barrier c) When they cannot interbreed 14) What type of isolation barrier means that one variety of a bird species breeds and nests in the lower branches of trees while another occupies the upper branches? a) Reproductive b) Geographical c) Ecological 15) What type of isolation barrier means that pollen grains from one variety of a plant species do not produce pollen tubes on the stigma of another variety? a) Geographical b) Reproductive c) Ecological

Natural selection quiz

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