Answer:
Heterotrophs are the organisms which cannot prepare their food on their own like autotrophs instead are dependent on other mode to obtain the organic substances from the environment. This method is common in animal and fungi groups.
Although both fungi and animals are heterotrophs their mode of heterotrophic is different as fungi obtain organic substance b secreting many digestive enzymes which digests the complex biomolecules and the fungi obtain the organic substances whereas the animals swallow or ingest the material and then digests it.
 
        
             
        
        
        
Newton's law of gravity helped to change the initial view that the Universe was supported by some mystical force or object. 
<h3>What did Newton say held the Solar system together?</h3>
Newton's explanation that the Solar system was held together by the force of gravity helped to explain so many observation which were not explained before.
Newton's explanation that objects were attracted to one another by the force of gravity helped to change the view that the Universe was held together by some mystical or magical force or that the earth and other planets were supported on something.
Therefore, Newton's law of gravity helped to change the initial view that the Universe was supported by some mystical force or object. 
Learn more about law of gravity at: brainly.com/question/3681346
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I believe it would be to calculate the amount of C-14 atoms left. scientists began to find out how long an object has been decaying, this has to do with half lifes etc. and how long a specific mineral/elements half life is. they use this to calculate how old it is (not an exact age but it's very accurate.)
        
                    
             
        
        
        
The correct answer is C) Drinking water. Hope this helps.
        
                    
             
        
        
        
Biogeographic isolation refers to the separation of the members of the similar species, or a group of organisms, which breed and generate offspring that can further give rise to young ones.  
The separation can be achieved by the geographical forces like oceans, rivers, and mountains, and by the biological forces, like hunting times, and spring or fall mating.