<span>Vesicles are used to transport items in many different circumstances, so I'm not quite sure how to answer your question. Vesicles are used when transporting to and from the golgi apparatus, also when transporting molecules to lysosomes. They are even used when undergoing exocytosis. Basically, they are used to carry items/molecules/wastes around within cells
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Answer:
An amoeba wraps its membrane around a small unicellular organism to eat it.
Explanation:
 
        
             
        
        
        
All raw meat contains bacteria that can be harmful to our bodies. Different types of meat have different temperatures to which we have to cook it to kill this bacteria, so we can eat it without getting sick.
        
                    
             
        
        
        
Answer:
 una correcta distancia del planeta respecto al sol, la presencia de  agua en el planeta, la presencia de la capa de ozono, La presencia de los elementos químicos esenciales, y el campo magnético terrestre 
Explanation:
 
        
             
        
        
        
Answer:
The correct answer is - decreased population size at all levels.
Explanation:
A decrease in the productivity of producers of an ecosystem will lead to a decrease in all other organisms of the ecosystem including top-level consumers to the bottom-level producers due to the fact that producers provide energy and food to primary consumers. 
It is because they are the only organisms that convert the sunlight to usable energy and food that transfer from one trophic level to other, so if the population of producers or their productivity will decrease then there will be decreased population size at all levels.