The answer is the last one
        
             
        
        
        
Answer:
The correct answer will be option-A
Explanation:
Biodiversity refers to the diversity of the biological entities present in an ecosystem. Biodiversity has a wide spectrum which not only includes the number of the diversity of the organism but also the interaction between them.
The biodiversity is assessed to study the changes that are taking place in an ecosystem, to study the causes and how the changes affect the human well being.
The assessment decisions ignore the personal interests and the biasness as the aim of the approach is not fulfil the personal needs but to maintain sustainable management of the ecosystem.
Thus, option-A is the correct answer.
 
        
             
        
        
        
The endocrine gland is the one that is ductless an release its secretion directly in bloodstream example liver, pancreas, etc.  The given statement is true and the correct option is B.
<h3>What is endocrine gland's secretion called?</h3>
The secretion of endocrine gland is referred to as hormones, which are chemical messengers that helps in body's control and coordination.
The endocrine gland is the one that is ductless an release its secretion directly in bloodstream example liver, pancreas, etc. 
Thus, the given statement is true and the correct option is B.
For more details regarding endocrine gland, visit:
brainly.com/question/11312688
#SPJ1
 
        
             
        
        
        
Surface to volume i think