Answer:
increases the chance that some organisms will survive a major change in the environment
Explanation:
 
        
             
        
        
        
Answer:
The answer for the blank is= Gene
 
        
                    
             
        
        
        
The object is a living thing; option B
<h3>What are living things?</h3>
Living things are things that have life in them.
The basic activities of living things are given as follows:
- movement
- reproduction
- nutrition
- Irritability
- growth
- excretion
- respiration
Considering the information in the chart about the object:
- composed of cells
- complex chemical activities
- breaks down food to get energy
These are characteristics of living things, therefore, the object is living.
In conclusion, living things carry out the activities of life.
Learn more about living things at: brainly.com/question/280237
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Sickle-cell anemia is inherited..It is a condition where there are not enough healthy red blood cells to carry enough oxygen through your body...There is no cure for sickle-cell anemia over time damage is done to your vital organs...
        
             
        
        
        
Answer:
C. thymine
Explanation:
Adenine pairs with thymine in DNA and pairs with uracil in RNA.
Hope it helps.