Plants<span> do not have skeletons, but their shape is defined by the part of the </span>cell<span> called the </span>cell<span> wall. The </span>cell<span> wall is featured only in </span>plant cells<span> and is made of cellulose. Chloroplast: Chloroplast is another big </span>difference between plant<span> and </span><span>human cells. </span>
        
                    
             
        
        
        
Answer:To be considered a source of water pollution, the source must include a chemical. 
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I believe B. Plantae is a kingdom.
        
                    
             
        
        
        
Answer:
Transpiration pull occurs when water evaporates through the stomata. As water evaporate through the stomata, mesophyll cells draws water from the xylem of the leaves, which in turn draws water from xylem in the stem. This create a tension called transpiration pull
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Nucleotides. DNA and RNA are polymers (in the case of DNA, often very long polymers), and are made up of monomers known as nucleotides. ... Each nucleotide is made up of three parts: a nitrogen-containing ring structure called a nitrogenous base, a five-carbon sugar, and at least one phosphate group.(Hoped this helped)