I Believe The Answer Is B. Physical Weathering.
        
             
        
        
        
 B. Crab
is your answer
An crab has an exoskeleton
hope this helps
        
             
        
        
        
Insects has repeated modular segment that develop independently of each other promoted their diversification and evolutionary success. They are able to evolve appendage that are specialized for diverse functions.
Hypotheses propose that insect diversity either result form low extinction rates and resilience to mass extinctions and acquisition of key innovation that allowed them to radiate into newly formed niches.
There exoskeleton characteristics are commonly responsible for the diversification of insects on land. These insects are the amazing diversity in the surrounding , it believed that insects are so successful because they  have protective shell /exoskeleton , they have small in size and they can fly.
To learn more about the insect diversity here
brainly.com/question/10756589
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Active transport (exocytosis, endocytosis, pumps, etc.)
        
             
        
        
        
Answer:
1
Explanation:
because of more fish they allow more oxygen and due to of that increased algae blooms can come.