Population Ecology: Population Growth (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is biotic potential?
What is biotic potential?
Max rate a population could grow ideally
What does environmental resistance refer to?
What does environmental resistance refer to?
Mortality rates from environmental factors
Which is a density independent factor?
Which is a density independent factor?
Volcanic eruptions
What characterises density dependent factors?
What characterises density dependent factors?
They increase as populations become crowded
What characterises the lag phase of population growth?
What characterises the lag phase of population growth?
Slow growth as population establishes
During the logarithmic phase, what happens to birth and death rates?
During the logarithmic phase, what happens to birth and death rates?
Birth rates significantly exceed death rates
What characterises the stable phase of population growth?
What characterises the stable phase of population growth?
Growth levels off with births ≈ deaths
Why were human populations stable for most of history?
Why were human populations stable for most of history?
High death rates balanced high birth rates
What was Earth's population in 1800 and 2020 respectively?
What was Earth's population in 1800 and 2020 respectively?
1 billion and 7.8 billion
What primarily drove human population growth over the past 200 years?
What primarily drove human population growth over the past 200 years?
Declining death rates