Answer: Hunt and kill other organisms 
Explanation:
A predator is a living organism usually animal, that is capable of hunting, killing and feeding on other organisms. The hunted animal is called a prey. 
For example: 
Lions, tigers, leopards all hunt for antelopes using their good eyesight to find them, their powerful claws to kill and their jaws to feed on its flesh. 
Thus, lions, tigers and leopards are predators while antelopes are preys
 
        
             
        
        
        
Answer:
Both
Explanation:
Nature is a unexpected thing but with nurture you can also get it by nurturing your self or someone badly
 
        
             
        
        
        
Answer – C (Using instruments that have not been calibrated).
When the integrity of an instrument’s calibration has been compromised (usually due to exposure to a shock, vibration, or physical damage), it needs to be calibrated; failure to do this inevitably leads to inaccurate measurement; this is a very common measurement error.
        
             
        
        
        
Answer:
Must be able to reproduce.
Explanation:
All organism are able to reproduce.
 
        
             
        
        
        
Answer:
Water, organic biological molecules, sodium chloride, glucose.
Explanation:
A compound is anything composed of two or more separate elements.
- O2 and H2 are a singular elements, and a chain of carbon atoms is multiple of the same element, so these are not considered compounds.
 
- Sodium chloride is sodium and chlorine, and water is oxygen and hydrogen. Glucose is a compound of sugar, and organic biological (or biomolecules) are made up of carbon and hydrogen, so these are all considered compounds
 
I hope this helps! Happy learning, friend :)