Biotic Factors (AQA GCSE Biology): Quizzes
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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 happens to a population when food is plentiful?
What happens to a population when food is plentiful?
Population increases due to breeding
What effect does a shortage of food have on a population?
What effect does a shortage of food have on a population?
Population declines
What is the main impact of introducing a new predator to an ecosystem?
What is the main impact of introducing a new predator to an ecosystem?
Reduces the prey population
What can happen to prey if they cannot adapt to a new predator?
What can happen to prey if they cannot adapt to a new predator?
They may face 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 resources do organisms compete for?
What resources do organisms compete for?
Food, water, or territory
What happens when one species is better adapted than another?
What happens when one species is better adapted than another?
It outcompetes the less adapted species
What can happen to a species that is outcompeted?
What can happen to a species that is outcompeted?
It may face local extinction