Answer:
The animal cell because they have no cell wall. I hope this is right!
Explanation:
 
        
             
        
        
        
Answer:
Sarcomere 
Explanation:
A sarcomere is the basic contractile unit of muscle fiber. Each sarcomere is composed of two main protein filaments—actin and myosin—which are the active structures responsible for muscular contraction.
 
        
             
        
        
        
Prokaryotic: before nucleus, no membrane bound organelles, and single celled microscopic organisms
eukaryotic: true nucleus, has membrane bound organelles, and multi cellular or unicellular organisms
therefore it would be letter <span>B. cell membrane and cytoplasm</span>
        
                    
             
        
        
        
Answer:
Biomes are determined by climate zones.
Explanation:
Because the makeup of a biome is dependent on its climate, biomes are often regarded as a synonymous with climate zones.