According to the Rivet Popper Hypothesis,rivets represent $........$.

Outdoor plot experiments were conducted by

Which of the following statements are true?
$I$. Species diversity provides stability to the ecosystem.
$II$. Communities with more species tend to be more stable than those with fewer species.
$III$. Ecosystems with higher biodiversity are more productive than ecosystems with lower biodiversity.
$IV$. Biodiversity is not essential for the maintenance and health of the ecosystem.
Choose the correct option.

What are the effects of biodiversity on ecosystem functioning?

Identify the incorrect statement regarding the stability of a biological community.

What characteristics make a community stable?