Ecology — definition?
Study of interactions between organisms and their environment.
Abiotic factors — role?
Non-living elements influencing ecosystems like climate and water.
Ecosystem components — what?
Community of organisms and their physical environment.
Energy exchange — process?
Energy flows from producers to consumers, with losses as heat.
Food chain — structure?
Linear sequence showing energy transfer from producers to consumers.
Food web — difference?
Network of interconnected food chains showing multiple feeding relationships.
Trophic levels — definition?
Hierarchical levels of organisms based on feeding position.
Primary productivity — importance?
Creates organic matter, forming the ecosystem's energy base.
Decomposers — role?
Recycle dead organic matter and nutrients.
Energy transfer — efficiency?
Low; most energy lost as heat at each trophic level.
Teste tes connaissances avec un QCM de 5 questions sur Introduction to Ecosystems and Food Webs.
1. According to the source, what is the primary difference between a food chain and a food web?
2. What is the primary purpose of the physical environment components in an ecosystem?
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