Answer:
A
Explanation:
well i guess it also depends on what environment you are talking about too
 
        
             
        
        
        
Answer:
stronger and longer organ are able to mate more with females, whereas the shorter one didn't stand a chance.
 
        
                    
             
        
        
        
Only a fraction of the energy<span> available at one trophic </span>level<span>is </span>transferred to the next<span> trophic </span>level<span>; the fractions can vary between 1-15%, with an average value of 10%. Typically the numbers and biomass of organisms decreases as one ascends the </span>food chain<span>.</span>
        
             
        
        
        
 • Matthias Schleiden observed that all plants were made of cells; Theodor Schwann observed that all animals were also made of cells; and Rudolf Virchow observed that cells only come from other cells.
• Prokaryotic cells- don’t contain a nucleus or any other membrane-bound organelle. 
 Eukaryotic cells- contain membrane-bound organelles, including a nucleus. 
• Phospholipids make up the basic structure of a cell membrane and are arranged in a double layer called the lipid bilayer.
• Active Transport- moves ions from low concentration to high, using metabolic energy in the form of ATP.
 Passive Transport - moves ions from high concentration to low, using no metabolic energy.
        
             
        
        
        
Answer:
uf4(uranium tetrafluoride)..