<span>Eyes are sensitive to light and when light falls on them, they transmit electrical signals to the brain. The lens in the eye focuses light falling on it, on to the retina. Depeding on the amount of light and distance of objects from the eyes, the lens changes shape to allow focus on objects at varying distances and this is called accommodation.</span>
        
             
        
        
        
Answer:
No
Explanation:
The nucleus is where cells store their DNA, which is the genetic material, Right? Well,  Prokaryotic cells do not have a nucleus. So, therefore (lol) they do not have genetic material.
 Your welcome, Love.
 
        
             
        
        
        
Answer:
B. the appearance of lichens and mosses in an area where a glacier has recently melted away
Explanation:
Ecological succession, which refers to the series of changes that occurs over time in an ecosystem, can be of two types namely: primary succession and secondary succession. 
Primary succession is a succession that involves an area where no form of life has grown previously, hence, the area of land is barren e.g bare rock. Primary succession is first colonized by species called PIONEER SPECIES e.g. lichens, mosses etc. 
According to this question, "the appearance of lichens and mosses (pioneer species) in an area where a glacier has recently melted away" is an example of PRIMARY SUCCESSION. 
 
        
             
        
        
        
Life is a special thing. You have your time and when it is decided that you will pass on then you go to a special place un-known to our world. Sometimes it your death is accidental and sometimes it's because your time is up. But others have to accept when someone passes on because they should know, that there lived one is in great hands.