Answer:
3. fats 
Explanation:
fats are in the food used by animal cells, fats and lipids can be used for things such as storing energy in the cells 
hope this helps :)
 
        
             
        
        
        
Chromosome is to cactus as gene is to a needle.
        
             
        
        
        
Answer: The two species were Rhesus monkey and Human <span>
Hemoglobin protein is the iron containing protein found in
the red blood cells which function by transporting oxygen through the blood
stream from from the lungs to the tissues and it is important for survival. However,
the  two species that
have similar amino acids in the hemoglobin protein were Rhesus monkey and Human
because they were not far from others.</span>
        
             
        
        
        
A because they can eat out of the trash where the others require thenforest to live. Hope this helped.