Seedless plants do not have seeds or stems making the answer c. spores
        
                    
             
        
        
        
Passive transport:
For simple diffusion = fatty acids, amino acids, steroid hormones (because they’re non-polar)
Facilitated diffusion = N2 and Cl-
        
             
        
        
        
<span>All of their skulls were fairly long with sharp teeth.</span>
        
                    
             
        
        
        
Answer:
The tuba
Explanation:
The tuba produces sound by vibrating or buzzing the lips into a large cupped mouth piece. It produces different pitches by changing the mouthpiece.