Answer:
- One because they are amphibians
- two because amphibian means two lives 
- third because they live on land and sea
- Fourth because they live longer (I think)
Explanation:
Frogs begin their lives in the water as eggs and then tadpoles and when they are fully developed they live on land.
- Hope this helps
- Hope this is correct
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Testosterone<span> begins the development of secondary sexual characteristics.</span>
        
                    
             
        
        
        
Answer:
46 chromosomes 
Explanation:
<em>I. G1 phase (Gap 1) - Cellular contents excluding the chromosomes, are duplicated. II. S phase (DNA Synthesis) - Each of the 46 chromosomes is duplicated by the cell.</em>