Answer:
The atomic number or proton number of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus.
Explanation:
 
        
             
        
        
        
The fluid in which organelles of the cell reside. This water can be used to assist in chemical reactions within the cell.
 
        
             
        
        
        
He observed 15 different finch species that originated as one ancestral bird. all differing in body shape, beak size, and mating habbits
        
             
        
        
        
Answer:
The female mosquitoes are the dangerous ones. They bite and draw blood. Male mosquitoes feed on flower nectar. Males have very hairy and fuzzy antennae (like a powder puff) whereas females have less hairy antennae.
 
        
                    
             
        
        
        
The four major organic compunds are lipids, carbohydrates, proteins, and nucleic acids.
Lipids are used to store energy, insulate insulate, and they help build cell membranes. Examples of lipids are fats, oils, and waxes.
Carbohydrates are used to give us quick energy and they help build cell walls. Examples of carbohydrates include bread, pasta, cereal, and rice.
The role of proteins is to build our bodies, help our immune system, and help cells communicate. Such examples include meat, beans, eggs, fish, nuts, soy, and dairy. 
Finally, Nucleic acids are used to store gentetic info. Anything plant or animal based is considered a nucleic acid.