!ques1! <i>Check Your Knowledge</i>
Question
16.14
1. Biodiversity is considered important because of:
- a) the direct economic benefits to humans, such as medicines and food.
- b) the symbolic value that elements of the natural world can provide.
- c) the aesthetic value it holds.
- d) its potential for helping humans understand the processes that gave rise to the diversity we see.
- e) All of the above are correct.
Question
16.15
Biodiversity hotspots are defined by which two criteria?
- a) species richness and ecosystem integrity
- b) size and distance from nearest alternative hotspot
- c) species endemism and degree of threat
- d) species richness and size
- e) ecological diversity and species diversity
Question
16.16
Madagascar is unusually important to conservation because it:
- a) has more species per unit area than any other place on earth.
- b) is the fourth largest island in the world.
- c) is home to more endangered species than any other country.
- d) has a higher percentage of endemic plants and animals than any comparably sized area on earth.
- e) is the native habitat of the rosy periwinkle, a rain forest plant that helps cure childhood lymphocytic leukemia.