Natural selectionOnline version The adaptation of a population to its environment. by Alaa Ahmed 1 What is natural selection? a The process of artificial breeding carried out by humans b The random survival of individuals. c The process by which organisms adapt to their environment over time. d The intentional elimination of undesirable traits in a population. 2 Which individual is more likely to survive and pass on its genes? a An individual with unfavorable traits. b An individual with advantageous traits. c All individuals have an equal chance of survival d Survival is purely random and not influenced by traits. 3 What drives natural selection? a Genetic mutations. b Human intervention c Environmental factors. d Random chance. 4 What is the role of variation in natural selection? a Variation has no impact on natural selection. b Variation increases the chances of survival for all individuals. c Variation allows for differential reproductive success based on advantageous traits. d Variation leads to the extinction of a population. 5 Which of the following is an example of natural selection? a Selective breeding of dogs to produce specific traits. b The extinction of dinosaurs. c The survival of a bird species with longer beaks in an environment with deep flowers. d The development of antibiotic resistance in bacteria due to overuse. 6 What is meant by "survival of the fittest"? a The strongest individuals always survive. b The individuals with the highest intelligence always survive. c The individuals that are best adapted to their environment have a higher chance of survival. d Survival is purely random and not influenced by fitness. 7 What is the long-term outcome of natural selection? a The elimination of all individuals within a population. b The preservation of genetic diversity within a population. c The reduction of advantageous traits in a population. d The adaptation of a population to its environment.
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