marine protected areas in Singapore should be significantly expanded to preserve biodiversity.

The identification and declaration of the so-called Key Biodiversity Areas (KBAs) are important for conservation and are  declared as such by virtue of having the following characteristics, EXCEPT:a.It is an area with highly threatened biodiversity. b.It has geographically restricted biodiversity. c.It has high ecological and economical value.d.It is irreplaceable.

Explain why there is a need to conserve ASEAN Heritage Parks.

suggest two local and two national consequences of the problem of change in land and sea usage which poses a threat to biodiversity.

Propose ways that plastic pollution might decrease the biodiversity of a marine ecosystem.

Do the benefits outweigh the detriments of diversity in Singapore? Discuss in relation to three impacts of diversity