Biotic Factors (OCR GCSE Biology A, Combined (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are biotic factors?
What are biotic factors?
Living components of an ecosystem
What do biotic factors help explain in communities?
What do biotic factors help explain in communities?
Changes in population sizes
What happens when food is plentiful in an ecosystem?
What happens when food is plentiful in an ecosystem?
Organisms breed more successfully
What effect does a shortage of food have on populations?
What effect does a shortage of food have on populations?
Causes populations to decline
What impact can new predators have on prey species?
What impact can new predators have on prey species?
Reduce the population of prey species
What extreme outcome can occur if prey cannot adapt to new predators?
What extreme outcome can occur if prey cannot adapt to new predators?
Extinction
What are pathogens?
What are pathogens?
Disease-causing organisms
Why are new pathogens particularly dangerous to a population?
Why are new pathogens particularly dangerous to a population?
Population may have no immunity to them
What is competition in an ecosystem?
What is competition in an ecosystem?
Vying for the same resources
What happens if one species is better adapted than another?
What happens if one species is better adapted than another?
It will outcompete the other species