since he memorized 15, he has only 10 left. so it should be 10/25
 
        
                    
             
        
        
        
Instructor is never required to drop you from your math course.
        
             
        
        
        
Answer:
Explanation:
Disadvantages of internal fertilization are that there are lesser number of offspring produced at a given time because it is sometimes difficult for the male and female to come into intimate contact. Additionally, the risk of sexually transmitted diseases also increases.
mark me brainlest plss
 
        
             
        
        
        
The set of characteristics provided by Audesirk and Audesirk are: Animals are multicellular. Animals are heterotrophic, obtaining their energy by consuming energy-releasing food substances. Animals typically reproduce sexually. Animals are made up of cells that do not have cell walls.