Mutualism, both of the animals benefit from the relationship. 
        
                    
             
        
        
        
Tape worms have numerous adaptations to enhance their survival in the hosts. 
For example the have anatomical adaptations in the form of scolex with hooks that they use to attach to the host small intestine walls therefore preventing them from being excreted following peristalsis. Therefore, the correct answer is that they posses hooks that they use to attach to the small intestines. 
        
             
        
        
        
In this scenario,I guess the answer is roughly around 300 children die every year from the diseases in which the vaccinations are available. Hope this is the correct answer then and would surely be of big help to you then.
        
             
        
        
        
Answer:
heat
rainfall
Explanation:
heat and rainfall determine which traits are adaptive
 
        
             
        
        
        
A. SSB prevents reannealing of the separated strands, so strands would quickly reanneal and DNA replication cannot proceed.
Single-stranded binding proteins, or SSB, appear on the strands to separate the strands. Without a separation force, the strands would simply bind back together through hydrogen bonding.
The answer is a .....hope I helped