The first species that colonizes new of undistributed land is called as pioneer species, or simply pioneers. If you check the meaning of pioneer, it's a type of person or entity that became the first to explore or exploit a certain something. In this case, they were the first species who explores the lands to create a society.
        
             
        
        
        
Answer:
A- I have not idea sorry!
B- Looks like a vacuole 
C- Cell membrane
D- Endoplasmic Reticulum
Explanation: