Answer: average popular size in a particular habitat. The species population size is limited by environmental factors like adequate food,shelter,water,and mates
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Answer:
CDC recommends annual influenza vaccination for everyone 6 months and older with any licensed, age-appropriate flu vaccine (IIV, RIV4, or LAIV4) with no preference expressed for any one vaccine over another.
Explanation:
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Answer:
2 because the central nervous system includes the brain, cerebellum, cerebrum, brain stem, etc.
 
        
             
        
        
        
Polar. 
Polar means that it has a negative pole and a positive pole