The Millennium Ecosystem Assessment describes the following major categories of ecosystem services—provisioning, supporting, regulating, preserving and cultural. Which one of the following is supporting service?

Which one of the following is the best description of the term 'ecosystem'?

Which of the following is an artificial ecosystem?

Which of the following is true for an ecosystem?

Which one of the following is the largest ecosystem of the world ?

Which one of the following ecosystems has maximum plant bio-mass?