Prep Africa

NSC Life SciencesSouth Africa

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Question 31

Which of the following is an example of a biotic factor in an ecosystem?
EcologyEnvironmental studieseasy

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Question 32

In sexual reproduction, what is the term for the fusion of male and female gametes?
ReproductionReproductionmedium

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Question 33

Which process in evolution results in the emergence of new species over time?
EvolutionEvolutionhard

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Question 34

Which hormone regulates the menstrual cycle and prepares the uterus for pregnancy?
ReproductionReproductionmedium

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Question 35

What is the primary role of DNA in living organisms?
DNA and geneticsDNA and genetics basicseasy

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Question 36

In an ecosystem, which of the following best describes a producer?
EcologyEcosystem components and energy flowmedium

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Question 37

During human reproduction, where does fertilization typically occur?
ReproductionHuman reproductive systemmedium

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Question 38

Which evidence best supports the theory of evolution by natural selection?
EvolutionEvidence for evolutionhard

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Question 39

What is the basic unit of heredity that carries genetic information?
DNA and geneticsGeneticseasy

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Question 40

Which process increases genetic variation within a population?
DNA and geneticsGeneticsmedium

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