Absorption. They absorb nutrience from dead/dying animals and/or plants.
        
             
        
        
        
Answer:
The answer is letter A.
Explanation:
During anaerobic respiration, lactate levels increase when muscles cells need more energy, however muscles cells eventually fatigue, thus athletes should modify their activities to increase aerobic respiration.
 
        
             
        
        
        
The zygote must contain genetic information from the mother and from the father, so the gametes must contain half of the chromosomes found in normal body cells.
Hope this helps:)
        
                    
             
        
        
        
 Answer:
B
Explanation:
They come from other Rocks or living things such as bones,leaves,stems, etc.
 
        
             
        
        
        
The spinal cavity ,is enclosed within the vertebral foramen of the vertebrae