The answer is C. 
Organism, population, community, ecosystem, biosphere
        
             
        
        
        
It is known as cloning! Hope this helped!
        
             
        
        
        
Answer:
C. Prohase 1
Explanation:
It is during prophase 1 of meiosis that crossing over occurs before tetrads or homologues pair of chromosomes are alligned across the equator of metaphase 1. In Meiosis 11, only the sister chromatics will be left or remain and the homologues pair of chromosomes would be moved to separate cells.
 
        
             
        
        
        
I was debating this question for the longest time and I came up with a conclusion.
No
        
             
        
        
        
Answer; 
A. Movement in his lower extremities
Explanation; 
-The 1st lumbar vertebra or the L1 vertebra is the smallest and most superior of the lumbar vertebrae. As the first vertebra in the lumbar region, the L1 vertebra bears the weight of the upper body and acts as a transition between the thoracic and lumbar vertebrae.
-The lumbar vertebrae contain spinal cord tissue and nerves which control communication between the brain and the legs.