Answer:
The example for population density is "two jaguars per thousand hectares"
Explanation:
To known the population size per unit area we use population density. Or sometimes use it for volume. It is expressed in quantity or in the type.  Mostly used for the living organisms, specifically humans. It's unit is expressed in square kilometers or may say in square mile. It is used for country, city, town and another territory. The negative relationship is found to affect the population density. It depends on the reproduction and survival.
 
        
             
        
        
        
Answer:
Corrigiendo el error de Schwann y preparando el principio de Virchow, señaló que las células se multiplican por escisión de su núcleo, no por generatio aequivoca a partir del protoplasma originario. ... Según los historiadores Pagel (1945) y Ackerknecht (1957), parece que Remak precedió a Virchow en sus descubrimientos.
Explanation:
¡espero que esto ayude!
 
        
             
        
        
        
B. Gases because it increase by less
        
             
        
        
        
They have longer periods of revolution.
 
        
                    
             
        
        
        
Explanation:
I hope the diagram will help remember A always pairs with T and C always pairs with G. u can also remember as Apple Tree and Car Garage. :)