Topic study hub
Food chains and food webs
Explain how a food chain illustrates the flow of energy from one organism to another, starting with a producer.
10
Objectives
100
Flashcards
70
Questions
90 min
Study time
CambridgeIGCSECombined ScienceOrganisms and their environment
Choose a revision tool
Start revising Food chains and food webs
Syllabus checklist
What you need to know
10 objective pages available
Food chains and food webs outcomes10 objectives
- Explain how a food chain illustrates the flow of energy from one organism to another, starting with a producer.
- Create and analyze basic food chains.
- Define a food web as a system of interconnected food chains and analyze food webs.
- Characterize a producer as an organism that generates its own organic nutrients, typically using sunlight through photosynthesis.
- Identify a consumer as an organism that obtains energy by consuming other organisms.
- Recognize that consumers can be categorized as primary, secondary, or tertiary based on their role in a food chain.
- Define a herbivore as an animal that derives its energy from consuming plants.
- Define a carnivore as an animal that obtains its energy by eating other animals.
- Characterize a decomposer as an organism that gains energy from dead or decaying organic matter.
- Utilize food chains and food webs to explain the effects of human activities, such as overfishing and the introduction of non-native species, on ecosystems.
Key terms
DescribeCompareExplainDefineStateDiscussEvaluate
Exam tips
No exam tips are published for this topic yet.
Common mistakes
No common mistakes are published for this topic yet.
Practice preview
Continue by objective
Objectives are grouped by subtopic so students can jump straight to the exact skill they want to revise.
Related topics