Question 291
How does deforestation affect biodiversity?Environmental studiesHuman Impact on the Environmentmedium
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NSC Life Sciences – South Africa
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Question 292
During evolution, which mechanism can cause allele frequencies to change randomly in a small population?EvolutionEvolutionary Mechanismshard
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Question 293
Which of the following is an example of natural selection?EvolutionMechanisms of evolutioneasy
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Question 294
Which organ system is primarily responsible for transporting oxygen to cells?Human physiologyTransport systems in humanseasy
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Question 295
In an ecosystem, which of the following represents a primary consumer?EcologyFeeding relationships in ecosystemsmedium
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Question 296
Which of the following human body systems is responsible for removing metabolic waste?Human physiologyExcretionmedium
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Question 297
Which environmental issue results primarily from excessive greenhouse gas emissions?Environmental studiesEnvironmental challengesmedium
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Question 298
Which molecule carries genetic information from the nucleus to the ribosomes for protein synthesis?DNA and geneticsDNA and geneticseasy
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Question 299
Which of these is the best example of natural selection driving evolution?EvolutionEvolutionmedium
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Question 300
Which human body system is primarily responsible for maintaining internal balance by regulating temperature, pH, and water levels?Human physiologyHuman physiologyhard
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