Biodiversity: Values & Threats
1. In terms of the number of species in various taxonomic groups, what types of organisms represent the
greatest diversity on our planet? And how do we know we’re not “done” cataloging all of life on earth?
2. When scientists try to estimate the number of species that actually exist on earth today, why is the
figure so variable?
3. Describe the global biodiversity patterns found in relation these parameters:
Latitude Precipitation Elevation
4. In a well-crafted paragraph (5-7 descriptive sentences) specifically describe 4 key ways that
biodiversity benefits mankind. Use examples to support each of your statements.
