<span>Covered by the two cerebral hemispheres, the diencephalon is
the structure of the central nervous system that surrounds the third ventricle.
It is composed of several other structures. The most important of them are the
Thalamus, which plays a very important role in movements and emotions; and the
Hypothalamus, which provides functions including thermoregulation, appetite and
regulation of the sleep-wake cycle.</span>
Answer:
No, mutations do not all result in negative effects. Sometimes they can be beneficial, as they are completely random. It is our general tendency to think of the word "mutation" in negative terms; however, do not get confused. Mutations are the root/ultimate source of genetic variation; they are one of the main factors that allow populations to evolve.
Yes, they do they only successfully reproduce in wet places, or after the rain.
<span>Technology is one reason why the shire horse is in decline. With the main job that they did being farmwork, and many of these tasks being taken over by mechanized means, the number of breeders of these horses has declined and the number of horses therefore available has dipped, as well.</span>
A. <span>The total amount of matter and energy remained the same, because energy can't be lost, it can only be transferred into a different sourceof energy.
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