Question

Which would be a biotic factor for salmon in a river ?

Answer 1

Abiotic factors for fish are water, temperature, amount of dissolved oxygen in water, etc. Penetration of sunlight is also important in freshwater habitats. Biotic factors are predators, disease-causing organisms, organisms available as food, the population density of competitors, etc.

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Edwin

Answer 2

Abiotic factors for fish is water, temperature, amount of dissolved oxygen in water, etc. Penetration of sunlight is also important in fresh water habitat. Biotic factors are predators, disease causing organisms, organisms available as food, population density of competitors, etc