Can you show an image of the question?
        
             
        
        
        
Answer:
Closely related species occupying the same niche.
Explanation:
Competitive exclusion principle states that the two species cannot exist together if they share the same resources. The one species completely exclude the other species from their niche.
Competitive exclusion principle generally occurs between the species that occupy the same niche and are closely related with each other. The competitive exclusion principle first explained between the species <em>P. aurelia </em>and <em>P. caudatum.</em>
Thus, the correct answer is option (B).
 
        
             
        
        
        
Answer:
I will call for help when I need to get up to use the bathroom.
Explanation:
Captopril is the drug that used for the treatment of heart failure and high blood pressure. Captopril is taken in different dosage and amount depending on the severity of disease and age of an individual. 
The captopril has severe side effects that includes tingling, numbness, breath shortness and excess or no urination at all. The drug can cause dizziness, loss of movement and an individual may faint on standing. The individual should not go alone for washroom after taking captopril drug.
Thus, the correct answer is option (c).
 
        
             
        
        
        
Answer:
This organism will be placed in kingdom Animalia, phylum Arthropoda and class Araneae because it has same characteristics to spider and spider also belongs to class Araneae. 
Explanation: 
Organisms which belongs to class Araneae is known as Arachnids. These organisms are invertebrates and have two body parts i. e. cephalothorax and the abdomen. They have eight legs.