Answer:
B-Information on the number of all whales hit by boats in the given area
Explanation:
If they see that they have some responsibility in harming the whales, it may change their behavior.
 
        
             
        
        
        
Answer:
Lactose is more likely to be utilised by E. Coli than Arabinose because Lactose will yield more energy (ATP) and lactose breakdown will give glucose and galactose and these will enter into the glycolytic pathways to pyruvate for ATP generation until Arabinose which will undergo Pentose phosphate pathway and this does not produce enough energy.
 
        
             
        
        
        
Answer:
A. Biodiversity will decrease .
Explanation:
- The loss of a keystone species can cause extinction  or mass destruction of other species that are dependent on it because keystone species are those species which significantly influence the existence and survival of other species in an ecosystem
- Since, beavers are considered as the keystone species, their removal  from the ecosystem will cause loss of many other species in the ecosystem resulting in Decrease in the biodiversity of that ecosystem.