Evolution Quiz

How much DNA do any two humans share?

• 99.9%

• 98.7%

• 95%

• 85%

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What is the significance of the concept of Unity and Diversity in biology?

• It explains the genetic differences between different species.

• It shows that all living organisms are 99.9% genetically identical.

• It illustrates that humans are identical to each other.

• It exemplifies that humans are almost genetically identical yet show a lot of variation.

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When organisms are related...

• They have 100% identical DNA

• They share a common ancestor

• They live in the same environment

• They have the same coloration

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What is the term used to describe body parts that are similar between related organisms due to inheritance from a common ancestor?

• Analogous structures

• Homologous structures

• Vestigial structures

• Adaptive structures

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What do fossils primarily tell us about the history of organisms?

• The dietary habits of ancient organisms

• How organisms have changed over time

• The exact age of the Earth

• The color of ancient organisms

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What can we infer from comparing DNA sequences between different organisms?

• The exact time period they lived in

• The geographical locations they originated from

• How related they are based on similarities

• The diet they followed

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What are the three steps of natural selection?

• Genetic variation, Survival of the Fittest, Reproduction

• Mutation, Adaptation, Survival

• Genetic drift, Mutation, Natural disaster

• Adaptation, Reproduction, Speciation

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What is meant by a higher 'fitness' in the context of natural selection?

• The physical strength of an organism

• The ability of an organism to live longer than others

• The better chance of survival and reproduction of an organism

• The genetic diversity within a species

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What are adaptations in the context of evolution?

• Changes in an organism's habitat

• Characteristics that decrease an organism's chance of survival

• Traits that increase an organism's chance of survival

• The process by which organisms reproduce

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What is the role of reproduction in natural selection?

• It ensures that all traits are passed down equally

• It allows for the mutation of genes in offspring

• It leads to useful traits becoming more prevalent in the population

• It guarantees the survival of all offspring

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