1. The virus attaches itself to a host cell
2. The virus inserts its nucleic acid into the host cell
3. The virus nucleic takes over the host cell and makes virus parts
4. The cell creates more viruses
5. The cell bursts, releasing the new viruses
 
        
                    
             
        
        
        
Phylogenetic trees show the evolutionary pathways and connections among organisms. A phylogenetic tree is a diagram used to reflect evolutionary relationships among organisms or groups of organisms.
 
        
             
        
        
        
Answer: 
Explanation:  step 1 Carbon enters the atmosphere as carbon dioxide from respiration (breathing) and combustion (burning). The Carbon Cycle Step 2 Carbon dioxide is absorbed.
 
        
             
        
        
        
Answer:
D. Animal cells would not have the materials needed to produce energy in cellular respiration.
Explanation: