Answer:
<u><em>Genetic variation</em></u> occurs because beneficial traits exist in a collection of genes, and <u><em>gene flow</em></u> makes these traits more prevalent in populations.
Explanation:
In biology, genetic variation can be described as the different genotypes which occur in species of the same kind. This genetic variation allows those organisms to survive on Earth which are better adapted to survive to the environmental changes.
The organisms which are better adapted to live in an environment will reproduce and pass their traits to the offsprings. Over time, these traits will become more prevalent in a population.
Answer:
We fear flying in a plane, nuclear power plants or being struck by lightning more because our risk perception isn't rational. We assess risks using a mixture of cognitive skills (weighing the evidence, using reasoning and logic to reach conclusions) and emotional appraisals. In this case, we believe that overheating or lack of exercise is something we can control. We believe we can feel the process taking place and we can react in time. We fear all the situations that we cannot control.
Explanation:
The cerebrum (brain) can be divided into two hemispheres: the left hemispheres and the right hemisphere. These hemispheres are separated by a deep longitudinal fissure (i.e., the cerebral fissure).
- In this case, the patient will be able to identify the cat using his RIGHT-HAND.
- The left brain hemisphere receives sensory information from and controls movements on the right part of the body, and vice-versa.
- In consequence, the left brain hemisphere controls the movements of the right hand, whereas the right brain hemisphere controls the left hand.
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C. Enzymes increase the rate of the chemical reactions carried out during metabolism.
