Factors That Influence Population Size (OCR A-Level Biology A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What happens during exponential population growth?
What happens during exponential population growth?
Population doubles at regular intervals
Which phase shows slow growth as organisms adapt to their environment?
Which phase shows slow growth as organisms adapt to their environment?
Lag phase
What happens to birth and death rates during the stationary phase?
What happens to birth and death rates during the stationary phase?
They become approximately equal
Which toxic waste product accumulates in yeast cultures and inhibits enzyme function?
Which toxic waste product accumulates in yeast cultures and inhibits enzyme function?
Ethanol
Why is intraspecific competition more intense than interspecific competition?
Why is intraspecific competition more intense than interspecific competition?
Individuals have identical resource needs
Which factor is density-dependent?
Which factor is density-dependent?
Disease transmission
What is carrying capacity?
What is carrying capacity?
Max population density ecosystem can support
What characterizes J-shaped population growth?
What characterizes J-shaped population growth?
Population crash before carrying capacity
Why is asexual reproduction advantageous for species showing J-shaped growth?
Why is asexual reproduction advantageous for species showing J-shaped growth?
No mate required, every individual breeds
What effect does emigration have on population size?
What effect does emigration have on population size?
Reduces the original population