Ecosystems (Edexcel GCSE Biology): Quizzes
📚Quizzes
Practise the questions
14 questions from this quiz
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Practise the questions
14 questions from this quiz
What is an ecosystem?
What is an ecosystem?
Community & environment interaction
What is a population in an ecosystem?
What is a population in an ecosystem?
All organisms of one species in a habitat
What are producers in a food chain?
What are producers in a food chain?
Plants or algae that photosynthesise
What is an apex predator?
What is an apex predator?
Top predator in a food chain
How do decomposers break down dead matter?
How do decomposers break down dead matter?
By secreting enzymes onto it
What is intraspecific competition?
What is intraspecific competition?
Competition within the same species
Which resource do plants NOT compete for?
Which resource do plants NOT compete for?
Mates
What do animals compete for in an ecosystem?
What do animals compete for in an ecosystem?
Territory, food, water, & mates
What characterises a stable community?
What characterises a stable community?
Balanced factors, constant populations
How does light intensity affect ecosystems?
How does light intensity affect ecosystems?
Affects photosynthesis rate in plants
What happens when new pathogens enter a community?
What happens when new pathogens enter a community?
Disease spreads, populations may decline
What is parasitism?
What is parasitism?
One benefits, one is harmed
Which is an example of mutualism?
Which is an example of mutualism?
Bees & flowering plants
What is a community in an ecosystem?
What is a community in an ecosystem?
All populations of different species