Answer:
B) They allow a region's location to be determined exactly. 
Explanation: 
Both lines were invented by people to identify and locate specific places on earth. Latitude is used to identify particular north-south locations, and longitude is used to identify a particular east-west. The combination of latitude and longitude allows you to define and label any location on Earth accurately.
 
        
             
        
        
        
Sperm cell (gamete) in humans = 23
Zygote in monkeys = 48
Zygote in humans = 46
Egg cell (gamete) in monkeys = 24
        
             
        
        
        
Ribosomes are organelles that create proteins. Cells use proteins to perform important functions such as repairing cellular damage and directing chemical processes. ... Without these ribosomes, cells would not be able to produce protein and would not be able to function properly.
 
        
             
        
        
        
Answer:
A. Adaptation 
Explanation:
Adaptation refers to the evolutionary process in which organisms undergo mutation or genetic change over many generations, which makes the organisms become better suited to multiply and survive in its habitat. The genetic mutation of Daphnia which makes them develop a trait that makes subsequent generations to prefer warmer environments is an example of adaptation of the organism to his environment.