निम्नलिखित में से किस पारिस्थितिकी तंत्र (इकोसिस्टम) में जैव विविधता सबसे अधिक होती है?

Which of the following are key characteristics of successful invasive plant species? (i) Rapid growth and early flowering (ii) High phenotypic plasticity (iii) Production of a large number of seeds Choose the correct answer:

The total amount of living organic matter present in a trophic level at a specific given time is termed as: