Oceanography, geology, meteorology, astronomy, and environmental science
        
                    
             
        
        
        
Hey! your answer is --
Amoeba and Paramecium both are unicellular organisms . t
both take any plan and animal as food which float in water . the mode of nutrition in Amoeba is hetrotropic .
The process of taking food is called phagocytosis ..
Step--
Amoeba get food in pseudopodia and in closed in a food vacuole and digest them to get energy . The digested part of the food diffuse into cell cytoplasm and undigested part of food expell at any point on body surface ..
★ hope u understand ★
        
             
        
        
        
D an animal or plant getting a new "ability" is an example of evolution like this plant can climb now 
 
        
                    
             
        
        
        
Answer:
they act as barrier between inside and outside of body and protect the body from various viruses
Explanation:
 
        
             
        
        
        
Both the Cortex and Pith store food, but I believe the correct answer is Cortex. c: