The sigmoid colon, which begins in front of the pelvic brim, is a section of the large intestine that is located in the pelvic cavity.
The sigmoid colon typically measures 25 to 40 cm in length (10 to 15.75 in). As a continuation of the descending colon, the sigmoid colon is a "S"-shaped section of the large intestine that starts in front of the pelvic brim and changes into the rectum at the level of the third sacral vertebrae.
<h3>The large intestine is it located in the pelvic cavity?</h3>
The urine bladder, the remainder of the large intestine (the bottom region), and the internal reproductive organs are all located in the pelvic cavity, which is the lower part.
<h3>Which digestive system organ is located in the pelvis?</h3>
The inferior portions of various abdominal viscera are located in the larger pelvis (terminal ileum, cecum, sigmoid colon).
<h3>Where in the abdominal cavity is the big intestine?</h3>
From the ileocecal junction to the anus, the large intestine continues the ileum for 1 to 1.5 meters. The majority of the large intestine is found in the abdominal cavity, and the remaining part is found in the pelvic cavity.
learn more about large intestine here 
<u>brainly.com/question/3476947</u>
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I think its C. global warming
because the other one directly threats aquatic bio diversity while global warming doesn't just affect aquatic biodiversity
        
                    
             
        
        
        
The given diagram is food chain. Food chain is a sequence of populations or organisms of an ecosystem through which the food and its contained energy passes with each member becoming the food of a later membre of the sequence. The number of trophic levels in a food chain is 3-6 and in each trophic level a lot of biomass is consumed in liberating energy. 
In the above food chain plants( producers) radiant light energy into chemical form. Rodents are primary consumer, owl is a secondary consumers or primary carnivores and wolf is a tertiary consumer or secondary carnivores.
 
        
                    
             
        
        
        
No I’m confusing djxkxnxkdnxkzdnoxrnoscnk dnfdki
        
             
        
        
        
<span>Dehydration synthesis involves substances combining together (synthesising) while at the same time losing water (dehydrating). The process of lipids turning into fatty acids involves dehydration synthesis.</span>