31 pairs
Spinal nerve, in vertebrates, any one of many paired peripheral nerves that arise from the spinal cord. In humans there are 31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. Each pair connects the spinal cord with a specific region of the body.
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Transpiration Transpiration is the procedure of water evaporating from the surface of leaves. Ground water is carried through the roots to the under-side of a leaf, and then comes out through tiny pores. It then evaporates into vapour drops before dispersing into the atmosphere. The rates of transpiration get higher with the higher temperatures.
The research party began by exploring the embryonic development of whales' cousins, the dolphins. These creatures are intriguing because, for a brief time during development, they sprout hind limbs . That's why dolphins lose their 'legs'.” In whales, however, the story is more complex.
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It is used to make predictions about the likelihood of certain traits occurring in offspring based on the genetics of the parents.
(Did you mean punnett square?)
Hope this helps and is correct!
Scientists<span> are people who use research and experiments to learn more about the natural world. </span>Scientists<span> use scientific methods to derive knowledge systematically, performing repeatable experiments to ensure that their conclusions are valid and accurate.</span>