Natural Selection
Biology ⇒ Evolution and Diversity
Natural Selection starts at 8 and continues till grade 12.
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See sample questions for grade 9
A population of beetles has green and brown color variants. Birds prefer to eat green beetles. Over time, the population becomes mostly brown. What process is this an example of?
A population of insects is exposed to a new pesticide. Most die, but a few survive and reproduce. Over time, the population becomes resistant to the pesticide. What is this an example of?
A population of rabbits lives in a snowy environment. Over time, more white rabbits survive than brown rabbits. What is the selective pressure in this scenario?
Describe how environmental changes can affect natural selection.
Describe how overproduction of offspring can lead to natural selection.
Describe one example of natural selection in nature.
Describe the difference between natural selection and artificial selection.
Explain how variation in a population contributes to natural selection.
Explain why genetic variation is important for natural selection.
Explain why natural selection does not produce 'perfect' organisms.
Explain why natural selection is sometimes described as 'differential survival and reproduction.'
Explain why not all traits in a population are adaptations.
What is natural selection?
