<span>heterotrophic means that the organism is digesting food 
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<span>multicellular organisms have many cells </span>
so easy what does not  have cell walls is Animal 
        
             
        
        
        
The troposphere is hotter near the Earth's surface because heat from the Earth warms this air. As the altitude increases the number of air molecules decreases, the average of their kinetic energy decreases. 
Does this help?
if it does please mark me brainliest! thanks:)
 
        
             
        
        
        
Answer:
Healthy food, exercise and use of sunglasses.
Explanation:
Safety goals for tina's decreased vision is to eat a balanced and healthy diet rich in antioxidants and vitamin A, Get enough sleep, doing regular exercise, Wear sunglasses in order to protect your eyes from the sun, Wear eye protection in order to protect the eyes from injury. these practices work because there effectiveness are scientifically proven. 
 
        
             
        
        
        
The answer is vascular plants.
Vascular plants have <span>specialized tissues that can transport fluids - vascular tissue. This tissue consists of</span><span> xylem and phloem. Xylem transports water and minerals from the root to the upper parts of the plant. Phloem transports food and nutrients from the leaves, where they are produced, to the growing or storage parts of the plants. </span>