Fitness is the quantitative representation of natural and sexual selection within evolutionary biology. It can be defined either with respect to a genotype or to a phenotype in a given environment.
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Nuclear forces, according to my textbooks! Hope this helps!
Why temperature affects heart rate in ectothermic organisms? If the temperature is within the optimal range for enzyme activity more ATP will be produced and the heart will beat faster due to increased metabolic activity and energy availability.
The horse has a non-communicable disease.
Explanation:
- In the given situation, only one horse is effected this suggest that the cause of the disease is not present in any other horse.
- Though the horses were sleeping in same barn and sharing the same resources they did not get the disease. This clearly states that the disease does not spread from one individual to other but remains confined to only effected individual.
- Thus it is a non infectious or non-communicable disease.
I believe the answer is adaptation
