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Answer:
The correct answer will be option- A
Explanation:
Both dinosaur and the trees are the living organisms which share many characteristics of the living organisms.
Among the given choices, the most common things between these two different species of the living organism are that they are made of the same constituents which makes the lowest organization of life on earth that is the cell.
Since the cells of both tress and the dinosaur are made up of the same matter or the constituent elements arranged in similar fashion therefore, the selected option is the correct answer.
 
        
             
        
        
        
T cells and B cells are the two main cell types that are crucial to the efforts of the adaptive immune response, in addition to cytokines and APCs.
<h3>Passive immunity is conferred by which of the following?</h3>
By supplying antibodies or lymphocytes that have already been produced by an animal or human donor, a vaccination may also impart passive protection. Most vaccines are administered parenterally (by injection), although some can also be taken orally or even nasally (in the case of flu vaccine).
Monoclonal antibodies search for and bind to the spike protein that protrudes from the coronavirus that causes COVID-19 after they have entered your body. Monoclonal antibodies that bind to the spike protein can prevent the virus from entering cells, slowing the infection.
The endothelial cell glycocalyx, which serves as a molecular sieve, and pressure gradients in the capillary beds both affect how lymph fluid is formed. toward with fluid propulsion
To learn more about Passive immunity refer to:
brainly.com/question/15255230
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A. DNA mutation (i think)