Topic explanation

Standard explanation

Light, water, temperature, soil and chemicals are abiotic factors; competitors, predators, prey, parasites and mutualists are biotic factors.

Key points

• abiotic and biotic factors
• cause → mechanism → outcome
• abiotic, and, biotic
• definition · mechanism · significance
• Abiotic and biotic factors: Light, water, temperature, soil and chemicals are abiotic factors; competitors, predators, prey, par
• Mechanism: Start with the trigger or starting condition, follow the biological structures and signals in order,
• Biological significance: Understanding abiotic and biotic factors connects structure, mechanism and biological outcome. It he
• WHAT — ABIOTIC AND BIOTIC FACTORS: Light, water, temperature, soil and chemicals are abiotic factors; competitors, predators, prey, par

Labelled diagram