1 “... communities, so does every animal and plant. If, as is likely, the rare biosphere is made up of different...”

2 “... communities, so does every animal and plant. If, as is likely, the rare biosphere is made up of different...”

3

4

5 “... is desperately needed, arable land and important resources like fertilizer and water are limited...”

6 “... is desperately needed, arable land and important resources like fertilizer and water are limited...”

7 “... of the microbial world? The ability to sail to remote sites like the Galapagos, and access to specimens collected...”

8 “... of the microbial world? The ability to sail to remote sites like the Galapagos, and access to specimens collected...”