In a given ecosystem,the number of individuals in a species remains more or less constant over a period of time. The constancy of this number is maintained by:

What is the trophic level of bamboo plants in a forest ecosystem?

Which of the following are called key industry animals?

Phytoplankton $\rightarrow$ Submerged plant stage $\rightarrow$ Floating plant stage $\rightarrow$ Reed-swamp stage $\rightarrow$ Marsh-meadow stage $\rightarrow$ Scrub $\rightarrow$ Forest. What type of succession does this sequence represent?

What is an incomplete ecosystem? Explain with the help of a suitable example.

Which of the following is a functional aspect of an ecosystem?