Question

Which of the following are important biotic factors that can affect the structure and organization of biological communities?
(a) nutrient availability, soil pH, light
(b) precipitation, wind, temperature intensity
(c) predation, competition, disease
(d) all of the above

Answer 1

I think the answer is a

Answer 2

All of the above aspects are required when it comes to impacting the organization and structure of the biological communities.  

Option (d)  

Explanation:  

• For an ecosystem to be vibrant and sustaining, certain biotic factors are necessary.
• These biotic factors impact the type of biological community that can survive in such geographical regions.
• Such biotic factors include the light, and pH and availability of nutrients, temperature, wind and precipitation, the disease, competition and the chances of predation.
• Therefore for a biotic community to survive a host of factors must be suitable and conducive.

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