I’m assuming it’s all of the above
        
             
        
        
        
Answer:
Mammals first appeared
Explanation:
The dinosaurs became extinct one million years after the Cenozoic era started. The mammals first appeared as the modern culture first appeared in that era. 
 
        
                    
             
        
        
        
Because they are in different galaxies. I hope this helps! :)
        
             
        
        
        
Mycorrhizae are associations between fungi and the roots of plants, where the Fungi provides minerals to the plant. It enabled plants and fungi to be the first organisms to invade land successfully 430 million years ago. In most cases the relationship between host plants and the mycorrhizal fungus is mutualistic, or mutually beneficial. The Mycorrhizal fungi come into direct contact with plant roots and with the soil, adding to the plants ability to gather nutrients and water from the soil through the fungus. 
        
             
        
        
        
Answer:
the world will end on few hours............