Answer:
Rose's classmate Mina observing Daphnia in water at 30°C, 32°C, and 34°C.
 
        
             
        
        
        
Answer:
To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies. Each DNA sequence that contains instructions to make a protein is known as a gene.
Explanation:
 
        
             
        
        
        
The heart is a muscle, therefore, if the cardiac muscles stopped contracting, the result would be the ceasing of heart function. That would lead to death, as blood wouldn't be pumped throughout the body. Homeostasis would therefore be interrupted. 
 
        
             
        
        
        
Answer:
B. Three
Explanation:
Messenger RNA : mRNA  : Encodes amino acid sequence of a polypeptide.
Transfer RNA: tRNA  : Brings amino acids to ribosomes during translation.
Ribosomal RNA: rRNA :  With ribosomal proteins, makes up the ribosomes, the organelles that translate the mRNA.
 
        
                    
             
        
        
        
I believe the correct answer is c. obtain nutrient molecules