Answer:
The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants. A small proportion of this chemical energy is transformed directly into heat when compounds are broken down during respiration in plants.
Explanation:
study hard
 
        
             
        
        
        
Answer:
The history of the human evolution can be studied by the fossil and DNA evidence. The similarities and advancement in certain characters has revealed the human evolution.
Different evidences like change in the diet, locomotion, brain size, walking ability as compared with the present species and species appeared 6 million years ago. The human genetics evidence and different paintings explain the culture of earlier homo species.The H. sapiens species has highly advance character that help them to survive than any other hominid species. The neanderthals extinction might occur due to their aggressive behavior, low social ability and their large cranial size.
 
        
             
        
        
        
The correct answer is horizon.
Hope I helped.
        
             
        
        
        
Answer:
True
Explanation:
Since it's a passive way of transport, it is in favor of the concentration gradient and does not need to use ATP.
 
        
                    
             
        
        
        
Cause its an extraordinary place