Answer:
Respiration (breathing) is the way your body gets oxygen into the lungs from the air outside. Cellular respiration describes how your cells make ATP - a molecule used to provide energy for chemical reactions.
Explanation:
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The answer to this is B, mutation.
mutation causes the genes or chromosomes to change permanently and these changes can be inherited to the future generations.
Those mistakes that cause mutations to occur may be either the faulty DNA replication or faulty separation of chromosomes during cell divisions.
Mutation may actually be beneficial, but it is rare. Some mutation does not bring any changes but many bring problems. One common result brought by mutation is Down's syndrome. This is because the 21st chromosomes failed to separate during meiosis.
So there you have it, the answer is B, mutation.
Answer:
a response to one factor in the environment
Answer: Septum
Explanation:
In the normal heart, the right and left chambers are completely separated from each other by a wall of muscle called a septum. The right atrium is separated from the left atrium by the atrial septum and the right ventricle is separated from the left ventricle by the ventricular septum.
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