Natural Selection and Symbiosis Quiz

What is meant by "inherited variation" in natural selection?

• Learned behaviors passed to offspring

• Random differences in traits among members of a population

• Changes caused by the environment

• Similarities between parents and offspring

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The "struggle to survive" in natural selection refers to:

• Competition between different species

• Fighting between members of the same species

• Competition for limited resources within a population

• Natural disasters affecting populations

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Which of the following best describes overproduction of offspring in natural selection?

• Species produce more offspring than can survive in their environment

• Only the strongest offspring survive to adulthood

• Mutations occur randomly in offspring

• Parents select the best traits for their offspring

What role does genetic variation play in natural selection?

• It prevents evolution from occurring

• It provides the raw material for selection to act upon

• It makes all organisms identical

• It reduces survival rates in populations

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In the relationship between remora fish and sharks, where remoras attach to sharks for transportation and eat leftover food, this represents:

• Parasitism

• Commensalism

• Competition

• Mutualism

Which statement about survival in natural selection is most accurate?

• All organisms have an equal chance of survival

• Only the largest organisms survive

• Survival is purely random

• Survival depends on having useful variations

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What best describes the relationship between adaptation and natural selection?

• They are unrelated processes

• Adaptations prevent natural selection

• Natural selection leads to adaptations over time

• Adaptations occur before natural selection

Which relationship describes two species where one benefits while the other is harmed?

• Mutualism

• Predation

• Commensalism

• Competition

When two different species compete for the same limited resource, this is called:

• Predation

• Parasitism

• Competition

• Symbiosis

Which relationship typically results in the death of one organism?

• Commensalism

• Competition

• Mutualism

• Predation

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