| A | B |
|---|
| arid | a dry climate |
| niche | the role of an organism in a community |
| abundant | plentiful, existing in great numbers |
| diverse | made up of many different types |
| demise | the destruction or disappearance of |
| plummet | to go down dramatically in value |
| endangered | when a species is threatened with extinction |
| extremists | people who advocate extreme political measures; radicals |
| particulate matter | having small particles of substance |
| mortality | in a deadly or fatal manner |
| adjacent | to be next to |
| disgorge | to empty something ; to discharge contents |
| acid rain | rain or snow with increased acidity due to pollution |
| ceaselessly | endlessly |
| disrepute | a bad reputation |
| elephantine | very large and clumsy |
| indifference | not caring |
