Human Populations (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How many people does the current world population exceed?
How many people does the current world population exceed?
7 billion
What are the two primary factors determining whether a population increases or decreases?
What are the two primary factors determining whether a population increases or decreases?
Birth rate and death rate
What is immigration?
What is immigration?
People joining a population from outside
Which formula calculates population growth?
Which formula calculates population growth?
(Births + immigration) - (deaths + emigration)
A city of 50,000 has 800 births, 600 deaths, 1,200 immigration, 400 emigration. What is growth rate?
A city of 50,000 has 800 births, 600 deaths, 1,200 immigration, 400 emigration. What is growth rate?
2%
What characterises an increasing population pyramid?
What characterises an increasing population pyramid?
Wide base compared to stable population
Which feature indicates a decreasing population pyramid?
Which feature indicates a decreasing population pyramid?
Narrower base and more elderly people
What are the birth and death rates in Stage 1 of demographic transition?
What are the birth and death rates in Stage 1 of demographic transition?
Both high
What characterises Stage 2 of demographic transition?
What characterises Stage 2 of demographic transition?
High birth rate, decreasing death rate
What are the birth and death rates in Stage 4 of demographic transition?
What are the birth and death rates in Stage 4 of demographic transition?
Both low