UPPCS · প্রশ্ন 55

What is true about an ecosystem?

Primary consumers are least dependent upon producers
Primary consumers out-number producers
Producers are more than primary consumers
Secondary consumers are the largest and most powerful

উত্তর দেখান ও ব্যাখ্যা

উত্তর: (C) Producers are more than primary consumers

ব্যাখ্যা

In a typical ecosystem the pyramid of numbers is upright: producers outnumber primary consumers, which outnumber secondary consumers. Primary consumers depend entirely on producers.