Habitat
Explanation:
Habitat is a given area where organisms interact with non-living things. 
The dwelling place of living organisms is their habitat and it is the produced as a result of interaction between the organism and non-living components. 
- The habitat of an organism defines its niche in such an environment. 
- This is related to the roles which organisms perform in the ecosystem. 
- Ecosystem is the interaction between organisms and the non-living components with their environment. 
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Habitat brainly.com/question/8365012
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Lymphocyte is one of body immune cells that works by fighting bacteria. To distinguish foreign material to body material, lymphocyte can detect a series of protein called antigen. Most antigen is represented by macrophages. In response to the antigen, lymphocyte might produce an antibody which will bind to the antigen.
Answer: Antigen
        
             
        
        
        
Scholarship..............
        
             
        
        
        
Algae, alligator, bacteria, bass, bear, bladderwort,bream,butterfly, butterfly larva, cattail, cute, crayfish, cricket, cypress tree, dandelion, Florida panther, fox, frog, fungi, Gambusa, garfish, gopher tortoise, grat, Kork, Heron, Killifish, Live oak tree, Millard duck, Manatee, mangrove trees, mice, mosquito, water, owl, pelican, Pine tree, rabbit, raccoon, Rattlesnake,