Answer:
°Draws attention to the magnitude and importance of threatened biodiversity.
°Identifies and documents those species most in need of conservation action.
°Provides an index of the decline of biodiversity.
Establishes a baseline from which to monitor the future °status of species.
 
        
             
        
        
        
Temperate Diciduous forest Biome
        
             
        
        
        
Nutrients are circulated throughout the biosphere because of biochemical cycling.
Answer: Option C
<u>Explanation:</u>
Apart from vitality, water and a few other chemical components spin through biological systems and impact the rates at which life forms develop and duplicate. Around 10 noteworthy supplements and six minor nutrients are basic to all creatures and plants, while others assume significant jobs for chosen species. 
The most significant biochemical cycles influencing environment well being of the water, carbon, nitrogen, and phosphorus cycles. Thus it is due to biochemical cycling, nutrients are circulated through out the biosphere.
 
        
             
        
        
        
Plant-like protists produce almost one-half of the oxygen on the planet through photosynthesis. Other protists decompose and recycle nutrients that humans need to live. ... Humans use protists for many other reasons: Many protists are also commonly used in medical research