Environment & Ecology · Ecosystem Components
Which of the following specifically functions as the crucial physical and chemical building blocks that link the abiotic and biotic components of an ecosystem?
- 1Saprotrophs that break down dead organic matter
- 2Autotrophic producers such as terrestrial trees and aquatic phytoplankton
- 3Physical factors such as sunlight, temperature, and atmospheric pressure
- 4Inorganic substances such as carbon dioxide, nitrogen, water, and phosphorus✓
Correct answer
Inorganic substances such as carbon dioxide, nitrogen, water, and phosphorus
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