Answer:
This supports Darwin's theory of evolution, which states that simple life forms gradually evolved into more complex ones. Evidence for early forms of life comes from fossils. By studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth.
 
        
             
        
        
        
Answer:
 it represents the mating between males and females is shown by a horizontal line between their respective symbols.
Explanation:
 
        
             
        
        
        
Answer:
600
Explanation: there is always a 3:1 ratio when you have a dominant and recessive trait.
hope it helps! 
 
        
                    
             
        
        
        
Answer:
i think it should be monerans e.g blue-green algae
 
        
             
        
        
        
Answer:
Fishing down the food web is the process whereby fisheries in a given ecosystem, "having depleted the large predatory fish on top of the food web, turn to increasingly smaller species, finally ending up with previously spurned small fish and invertebrates".