The correct answer is "knee j*rk reaction". The knee j*rk reaction is a type of reflex wherein nerve impulses from the muscle does not have to reach the brain for the appropriate motor response of the body. Reflexes are important as to shorten the response time especially in times when a long response time will harm the body.
        
                    
             
        
        
        
Answer:
field studies
Explanation:
The documentation and collection of descriptive details of events in nature such as amounts, sizes, colors, smell , behavior, texture e.t.c are all categorized as field studies. 
It involves the gathering of raw data outside a laboratory. 
- Often times, based on the needs of an experiment, it is desirable to corroborate laboratory studies with field evidences. 
- The approach in gathering such data varies from discipline to discipline. 
- Most field sampling are usually done in an uncontrolled environment. 
 
        
             
        
        
        
The correct answer is adaptation.  
Pollination refers to the procedure of transferring the pollen grain from the anther of a stamen to the stigma of a carpel. Some plants are amended for pollination by the wind, and some for pollination by insects.  
The plants, which are adapted for pollination via insects exhibit colorful petals and nectar to attract the insects, and sticky pollen, which adheres to the insects when they visit the flowers.